27 letters
24 letters
23 letters
22 letters
- counterinterpretations32
- electroencephalographs43
- electroencephalography45
- electrophysiologically43
- encephalomyocarditises41
- incomprehensiblenesses40
- intercomprehensibility41
- microspectrophotometer42
- microspectrophotometry44
- nonrepresentationalism33
- philoprogenitivenesses39
- phosphoglyceraldehydes47
- spectrophotometrically43
- unrepresentativenesses33
21 letters
- adrenocorticotrophins35
- anthropomorphizations45
- clinicopathologically44
- compartmentalizations45
- contemporaneousnesses34
- counterinterpretation31
- electrocardiographies36
- electroencephalograms40
- electroencephalograph42
- electromyographically44
- electroretinographies33
- hypercholesterolemias38
- hypersusceptibilities39
- immunoelectrophoreses38
- immunoelectrophoresis38
- immunoelectrophoretic41
- incomprehensibilities38
- meningoencephalitides39
- phosphoglyceraldehyde46
- photolithographically43
- photophosphorylations40
- pseudocholinesterases33
- pseudosophistications35
- psychopharmacological49
- psychopharmacologists45
- psychophysiologically48
- psychotherapeutically44
- stereomicroscopically40
- unexceptionablenesses42
20 letters
- adrenocorticotrophic36
- adrenocorticotrophin34
- adrenocorticotropins32
- anthropocentricities33
- anthropomorphization44
- bacteriochlorophylls41
- chemotherapeutically41
- compartmentalization44
- comprehensiblenesses37
- crystallographically41
- departmentalizations39
- electrocardiographic38
- electroencephalogram39
- electrooculographies36
- electrophotographies36
- electrophysiological38
- electrophysiologists34
- electroretinographic35
- encephalomyocarditis39
- expressionlessnesses33
- extemporaneousnesses36
- glomerulonephritides35
- histocompatibilities35
- homotransplantations32
- hypercholesterolemia37
- hypercholesterolemic40
- hypercoagulabilities38
- hyperconsciousnesses36
- hyperparathyroidisms38
- hypersensitivenesses33
- immunoprecipitations38
- inappreciativenesses35
- incomprehensibleness38
- irreproachablenesses33
- lymphogranulomatoses39
- lymphogranulomatosis39
- microelectrophoreses35
- microelectrophoresis35
- microelectrophoretic38
- micropaleontological38
- micropaleontologists34
- microphotometrically41
- neuropharmacological40
- neuropharmacologists36
- neurophysiologically39
- neuropsychiatrically39
- overprotectivenesses35
- paleoanthropological37
- paleoanthropologists33
- paradichlorobenzenes44
- parathyroidectomized44
- phenylpropanolamines41
- phenylthiocarbamides41
- philoprogenitiveness37
- phosphatidylcholines41
- phosphoenolpyruvates42
- phosphofructokinases42
- phosphomonoesterases34
- photoautotrophically38
- photodisintegrations30
- photointerpretations30
- photophosphorylation39
- photoreconnaissances34
- plethysmographically45
- polyphiloprogenitive42
- professionalizations38
- pseudocholinesterase32
- pseudoparenchymatous40
- pseudosophistication34
- psychopathologically45
- psychopharmacologies44
- psychopharmacologist44
- radiopharmaceuticals37
- reconceptualizations42
- representationalisms29
- representationalists26
- representativenesses29
- roentgenographically38
- semiautobiographical38
- spectrofluorometries34
- spectroheliographies36
- spectrophotometrical38
- superspecializations41
- ultramicroscopically41
- uncompromisingnesses38
- underrepresentations28
- unrepresentativeness31
19 letters
- adrenocorticotropic33
- adrenocorticotropin31
- angiocardiographies33
- anthropocentrically36
- anthropomorphically40
- bacteriochlorophyll40
- chromatographically41
- chromolithographers37
- chromolithographies37
- chromolithographing40
- cinematographically40
- clinicopathological39
- companionablenesses35
- compassionatenesses30
- complementarinesses34
- comprehensibilities35
- comprehensivenesses36
- conceptualistically38
- contemplativenesses35
- contemporaneousness32
- counterconspiracies34
- counterprogrammings38
- cytopathogenicities35
- departmentalization38
- dimethyltryptamines37
- dispassionatenesses25
- disproportionations28
- disrespectabilities30
- disrespectfulnesses32
- electrocardiographs34
- electrocardiography36
- electrophoretically35
- electrophoretograms33
- electrophotographic38
- electrophysiologies33
- electrophysiologist33
- electroretinographs31
- electroretinography33
- encephalomyelitides36
- entrepreneurialisms29
- evapotranspirations31
- expressionistically37
- gedankenexperiments42
- histopathologically36
- historiographically35
- homotransplantation31
- hyperconcentrations35
- hyperemotionalities31
- hyperexcitabilities40
- hyperirritabilities30
- hyperparathyroidism37
- hypersensitizations37
- hypersusceptibility39
- hypoparathyroidisms37
- immunoprecipitating39
- immunoprecipitation37
- impressionabilities30
- impressionistically33
- inappropriatenesses30
- incomprehensibility38
- inconspicuousnesses33
- indispensablenesses30
- inexpressiblenesses35
- interdepartmentally32
- introspectivenesses31
- irreplaceablenesses31
- irreproachabilities31
- irreproducibilities31
- irresponsiblenesses28
- lipopolysaccharides38
- meningoencephalitic39
- meningoencephalitis36
- methylprednisolones34
- microencapsulations35
- micropaleontologies33
- micropaleontologist33
- mucopolysaccharides41
- neuropharmacologies35
- neuropharmacologist35
- nonproductivenesses34
- nonrepresentational27
- overcapitalizations40
- overinterpretations28
- overproportionately33
- overrepresentations28
- oversimplifications37
- overspecializations40
- ovoviviparousnesses36
- paleoanthropologies32
- paleoanthropologist32
- paleoclimatologists33
- paleogeographically39
- paradichlorobenzene43
- parasympathomimetic41
- parathyroidectomies33
- parthenogenetically35
- perspicaciousnesses33
- pharmacodynamically44
- phenomenalistically37
- phenylpropanolamine40
- phenylthiocarbamide40
- phonocardiographies36
- phosphatidylcholine40
- phosphoenolpyruvate41
- phosphofructokinase41
- phosphoglucomutases40
- phosphomonoesterase33
- photoconductivities37
- photodecompositions35
- photodisintegrating31
- photodisintegration29
- photofluorographies36
- photointerpretation29
- photoreconnaissance33
- photosensitizations35
- phytogeographically42
- phytohemagglutinins39
- polychromatophilias39
- polyesterifications32
- polyribonucleotides35
- postmillenarianisms32
- posttranscriptional31
- prefigurativenesses33
- preternaturalnesses26
- professionalization37
- proletarianizations34
- pseudosophisticated33
- psychopharmacologic46
- psychophysiological43
- psychophysiologists39
- psychotomimetically42
- radiopharmaceutical36
- reconceptualization41
- reprehensiblenesses30
- representationalism28
- representationalist25
- spectrofluorimeters33
- spectrofluorometers33
- spectrofluorometric36
- spectrophotometries33
- splendiferousnesses30
- stereophotographies31
- stereospecificities31
- superadministrators28
- superconductivities36
- superspecialization40
- symptomatologically40
- thermoperiodicities31
- transplantabilities29
- ultracontemporaries31
- unapproachabilities36
- uncompetitivenesses35
- underrepresentation27
- unexceptionableness40
- unpretentiousnesses27
18 letters
- angiocardiographic35
- anthropocentricity33
- anthropomorphizing44
- appreciativenesses32
- apprehensivenesses32
- astrophotographers30
- astrophotographies30
- australopithecines29
- autobiographically36
- bacteriorhodopsins31
- biocompatibilities34
- chromolithographed37
- chromolithographer36
- chromolithographic39
- claustrophobically38
- companionabilities33
- compartmentalising35
- compartmentalizing44
- comprehensibleness35
- conceptualizations40
- contemptiblenesses33
- contemptuousnesses31
- counteradaptations28
- counterdeployments34
- counterpetitioning30
- counterprogramming37
- counterpropagandas33
- depersonalizations34
- dephosphorylations33
- dextroamphetamines38
- dimethyltryptamine36
- diphenylhydantoins35
- disproportionately29
- disproportionating29
- disproportionation27
- disputatiousnesses25
- disreputablenesses28
- echocardiographers34
- echocardiographies34
- electrocardiograph33
- electrodepositions27
- electromyographies34
- electrooculography36
- electrophilicities31
- electrophoretogram32
- electrophotography36
- electrophysiologic35
- electroretinograph30
- entrepreneurialism28
- epithelializations35
- evapotranspiration30
- exceptionabilities36
- expressionlessness31
- extemporaneousness34
- gedankenexperiment41
- glomerulonephritis32
- granulocytopoieses31
- granulocytopoiesis31
- handcraftsmanships37
- hemoglobinopathies35
- histocompatibility35
- histophysiological34
- hydroxytryptamines41
- hyperalimentations31
- hypercoagulability38
- hyperconcentration34
- hyperconsciousness34
- hypercorrectnesses32
- hyperimmunizations43
- hypernationalistic31
- hyperpigmentations35
- hyperpolarizations39
- hyperrationalities27
- hypersensitiveness31
- hypersensitivities30
- hypersensitization36
- hypoparathyroidism36
- hypophysectomizing50
- hyposensitizations36
- immunopathological38
- immunopathologists34
- immunoprecipitated36
- immunoprecipitates35
- immunosuppressants34
- immunosuppressions34
- imperceptivenesses35
- imperishablenesses31
- impermissibilities31
- impersonalizations36
- imperturbabilities32
- impracticabilities34
- inappreciativeness33
- inauspiciousnesses28
- incorruptibilities30
- indispensabilities28
- indisputablenesses29
- inexplicablenesses38
- inexpressibilities33
- inexpressivenesses34
- inexpugnablenesses38
- inhospitablenesses29
- insusceptibilities30
- interoperabilities26
- interpretabilities26
- interrelationships26
- introspectionistic29
- irreplaceabilities29
- irrepressibilities25
- irreproachableness31
- irresponsibilities26
- irresponsivenesses27
- lepidopterological33
- lepidopterologists29
- lipopolysaccharide37
- lumpenproletariats31
- lymphangiographies39
- macrophotographies36
- manipulativenesses32
- metallographically37
- methylnaphthalenes36
- methylprednisolone33
- microencapsulating36
- microencapsulation34
- microlepidopterous33
- micromanipulations34
- micromorphological39
- micropaleontologic35
- microphotographers36
- microphotographies36
- microradiographies32
- microreproductions33
- misinterpretations26
- misrepresentations26
- mucopolysaccharide40
- myeloproliferative35
- neuropharmacologic37
- neurophysiological34
- neurophysiologists30
- neuropsychiatrists30
- neuropsychological37
- neuropsychologists33
- nonanthropological33
- nonanthropologists29
- noncomparabilities33
- noncooperationists27
- nonrepresentatives28
- obstreperousnesses26
- ophthalmologically39
- opinionativenesses28
- organophosphoruses32
- orthopsychiatrists30
- oscillographically37
- overcapitalization39
- overextrapolations34
- overinterpretation27
- overoptimistically35
- overprotectiveness33
- overrepresentation27
- oversimplification36
- overspecialization39
- paleoclimatologies32
- paleoclimatologist32
- particularizations36
- pathophysiological37
- pentachlorophenols35
- pentylenetetrazols36
- perchloroethylenes33
- perpendicularities31
- pertinaciousnesses27
- phenomenologically38
- pheochromocytomata39
- phonocardiographic38
- phosphodiesterases29
- phosphoglucomutase39
- photodecomposition34
- photodisintegrated28
- photodisintegrates27
- photodissociations28
- photolithographies33
- photolithographing36
- photomicrographies36
- photomorphogeneses34
- photomorphogenesis34
- photoreactivations31
- photoreproductions32
- photosensitivities28
- photosensitization34
- photosynthetically35
- physiopathological37
- phytohemagglutinin38
- piezoelectricities37
- polyacrylonitriles32
- polychromatophilia38
- polychromatophilic41
- polyesterification31
- polymorphonuclears38
- polyribonucleotide34
- postmillenarianism31
- postmillennialisms32
- postmillennialists29
17 letters
- acquaintanceships40
- allotetraploidies24
- amphitheatrically34
- angiocardiography33
- anthropocentrisms30
- anthropologically33
- anthropomorphisms34
- anthropomorphists31
- anthropomorphized41
- anthropomorphizes40
- antihypertensives30
- antischizophrenia38
- antischizophrenic41
- approachabilities32
- appropriatenesses27
- astrophotographer29
- australopithecine28
- autoradiographies26
- autotetraploidies23
- bacteriorhodopsin30
- bathythermographs36
- bibliographically38
- biostratigraphies27
- blasphemousnesses31
- bronchopneumonias35
- carboxypeptidases39
- cardiorespiratory26
- chemoautotrophies31
- chemoprophylactic42
- chemotherapeutics34
- chlordiazepoxides44
- cholangiographies33
- choreographically36
- chromolithographs35
- chromolithography37
- chymotrypsinogens36
- clinicopathologic36
- commissionerships32
- commonplacenesses35
- companionableness33
- comparativenesses31
- compartmentalised32
- compartmentalises31
- compartmentalized41
- compartmentalizes40
- compartmentations31
- compassionateness28
- compendiousnesses30
- competitivenesses31
- complementariness32
- complementarities31
- complicatednesses32
- comprehensibility35
- comprehensiveness34
- compressibilities30
- conceptualization39
- conspicuousnesses30
- contemplativeness33
- contemporaneities28
- contemporaneously32
- contemptibilities31
- cooperativenesses28
- copolymerizations39
- coproprietorships31
- counteradaptation27
- countercomplaints33
- counterconspiracy34
- counterdeployment33
- counterespionages28
- counterhypotheses31
- counterhypothesis31
- counterpetitioned27
- counterproductive34
- counterpropaganda32
- cryopreservations30
- cryptocrystalline33
- cryptographically39
- crystallographers31
- crystallographies31
- cyclophosphamides40
- cytopathogenicity35
- decomposabilities31
- departmentalizing38
- depersonalization33
- dephosphorylating34
- dephosphorylation32
- depoliticizations35
- depolymerizations37
- depressurizations32
- descriptivenesses29
- dextroamphetamine37
- diaphragmatically35
- diphenylhydantoin34
- diphthongizations38
- dispassionateness23
- disproportionated26
- disproportionates25
- disreputabilities26
- disrespectability30
- disrespectfulness30
- echocardiographer33
- echocardiographic36
- electrodepositing28
- electrodeposition26
- electromyographic36
- electropherograms31
- electrophysiology33
- encephalographies34
- encephalomyelitis33
- entrepreneurially27
- entrepreneurships28
- epidemiologically34
- epiphenomenalisms34
- epistemologically33
- epithelialization34
- exceptionalnesses33
- expeditiousnesses30
- fissiparousnesses25
- glossopharyngeals31
- gynandromorphisms35
- handcraftsmanship36
- heterotrophically31
- histopathological31
- histopathologists27
- histophysiologies29
- historiographical30
- hydroxytryptamine40
- hyperalimentation30
- hyperdevelopments37
- hyperemotionality31
- hyperexcitability40
- hyperimmunization42
- hyperinflationary32
- hyperinnervations31
- hyperintellectual32
- hyperirritability30
- hypermutabilities32
- hyperpigmentation34
- hyperpituitarisms31
- hyperpolarization38
- hyperreactivities31
- hyperstimulations30
- hyperventilations31
- hypnotizabilities38
- hypochondriacally38
- hypophysectomized47
- hypophysectomizes46
- hyposensitization35
- immunocompetences38
- immunocompromised38
- immunopathologies33
- immunopathologist33
- immunoprecipitate34
- immunosuppressant33
- immunosuppressing35
- immunosuppression33
- immunosuppressive36
- immunotherapeutic34
- impecuniousnesses30
- impenetrabilities28
- imperialistically31
- imperishabilities29
- impersonalization35
- implicativenesses32
- imponderabilities29
- importunatenesses26
- impregnablenesses31
- impressionability30
- improvisationally32
- inapplicabilities32
- inappropriateness28
- incomparabilities31
- incompatibilities31
- inconspicuousness31
- indispensableness28
- inexpensivenesses34
- inexplicabilities36
- inexpressibleness33
- inoperativenesses26
- inopportunenesses27
- inseparablenesses26
- intemperatenesses25
- interdepartmental27
- interdependencies28
- interdisciplinary29
- interpenetrations23
- interpopulational28
- interprofessional26
- interrelationship25
- intraperitoneally26
- introspectionisms28
- introspectionists25
- introspectiveness29
- iontophoretically30
- irreparablenesses25
- irrepealabilities25
- irreplaceableness29
- irreproachability31
- irreproducibility31
- irresponsibleness26
16 letters
- acanthocephalans32
- acceptablenesses30
- acetophenetidins27
- acquaintanceship39
- adenohypophyseal33
- adenohypophysial33
- allopolyploidies29
- alphabetizations35
- alphanumerically34
- amphibiousnesses29
- anaphylactically35
- antepenultimates26
- anthropocentrism29
- anthropomorphism33
- anthropomorphist30
- anthropomorphize39
- anthropopathisms30
- antiaphrodisiacs26
- antihypertensive29
- antimetaphysical31
- antipathetically29
- antipornographic31
- antiprofiteering26
- antiprostitution22
- antistrophically29
- antiunemployment32
- apocryphalnesses31
- appendicectomies33
- appreciativeness30
- apprehensiveness30
- archiepiscopally34
- archiepiscopates30
- astrophotographs28
- astrophotography30
- asymptomatically34
- auspiciousnesses25
- autobiographical31
- autopolyploidies28
- autoradiographic28
- bathythermograph35
- biocompatibility34
- biostratigraphic29
- blepharoplasties29
- bronchopneumonia34
- calligraphically35
- capitalistically30
- capriciousnesses27
- carboxypeptidase38
- cardiomyopathies30
- cartographically33
- cataphoretically31
- catastrophically31
- chemoautotrophic33
- chemoprophylaxes42
- chemoprophylaxis42
- chemotherapeutic33
- chloramphenicols35
- chlordiazepoxide43
- cholangiographic35
- chromatographers31
- chromatographies31
- chromatographing34
- chromolithograph34
- chymotrypsinogen35
- cinematographers30
- cinematographies30
- circumscriptions33
- collapsibilities28
- commissionership31
- companionability33
- comparablenesses30
- compartmentalise30
- compartmentalize39
- compartmentation30
- compatiblenesses30
- compensabilities30
- complementations31
- comptrollerships32
- compulsivenesses32
- computerizations36
- connoisseurships27
- conservatorships29
- conspiratorially27
- contemptibleness31
- contemptuousness29
- copolymerization38
- coproprietorship30
- correspondencies28
- corruptibilities27
- cosmopolitanisms30
- countercampaigns33
- countercomplaint32
- counterespionage27
- counterpetitions25
- counterpicketing34
- counterpressures25
- counterproposals28
- counterresponses25
- crossopterygians27
- cryopreservation29
- cryptozoologists36
- crystallographer30
- crystallographic33
- cyclophosphamide39
- cytophotometries29
- daguerreotypists25
- departmentalized35
- departmentalizes34
- dependablenesses27
- dephosphorylated31
- dephosphorylates30
- deplorablenesses26
- depoliticization34
- depolymerization36
- depressurization31
- despicablenesses28
- despiritualizing34
- despitefulnesses26
- dessertspoonfuls26
- dessertspoonsful26
- diaphanousnesses25
- diphenhydramines32
- diphthongization37
- disciplinarities25
- dispensabilities25
- dispersivenesses25
- dispiritednesses22
- disproportionate24
- disproportioning27
- disputatiousness23
- disreputableness26
- disruptivenesses26
- dissipatednesses22
- distributorships26
- dodecaphonically34
- dolichocephalies32
- echocardiography34
- ecophysiological33
- electrodeposited25
- electromyographs32
- electromyography34
- electropherogram30
- electrophilicity31
- electrophoresing28
- electrotherapies25
- emancipationists27
- enantiomorphisms29
- encephalitogenic32
- encephalopathies31
- encyclopedically37
- endopolyploidies29
- enteropathogenic28
- entrepreneurship27
- epichlorohydrins31
- epigrammatically34
- epiphenomenalism33
- epizootiological35
- ethnographically33
- euphoniousnesses25
- exceptionability36
- exceptionalities31
- exemplifications37
- experimentalisms34
- experimentalists31
- experimentations31
- expressionlessly31
- expressivenesses31
- extemporaneities30
- extemporaneously34
- extemporisations30
- extemporizations39
- extracorporeally33
- flexographically41
- fluoroscopically34
- gastroesophageal26
- geomorphological33
- geomorphologists29
- glossopharyngeal30
- grandparenthoods27
- gynandromorphies31
- gynandromorphism34
- hematoporphyrins32
- hemoglobinopathy35
- hepatopancreases28
- hepatotoxicities31
- hermaphroditisms30
- hexachlorophenes37
- hieroglyphically35
- histopathologies26
- histopathologist26
- histophysiologic31
- historiographers25
- historiographies25
- hospitalizations32
- hydrophilicities30
- hydrophobicities32
- hydroxylapatites34
- hygroscopicities31
- hyperawarenesses27
- hypercatabolisms33
15 letters
- acanthocephalan31
- acceptabilities28
- acceptingnesses28
- accomplishments34
- accountantships29
- acetophenetidin26
- achondroplasias26
- achondroplastic29
- adenohypophyses31
- adenohypophysis31
- allelomorphisms29
- allotetraploids22
- allotetraploidy24
- alphabetization34
- ambassadorships27
- aminopeptidases26
- amorphousnesses25
- amphidiploidies29
- amphitheatrical29
- anisotropically26
- antepenultimate25
- anthropocentric28
- anthropological28
- anthropologists24
- anthropometries24
- anthropomorphic32
- anthropopathism29
- anthropophagies28
- anthropophagous29
- anthroposophies26
- antiaphrodisiac25
- anticapitalisms26
- anticapitalists23
- anticompetitive29
- anticorruptions24
- antidepressants21
- antidepressions21
- antidevelopment29
- antimonopolists24
- antiperspirants23
- antipornography29
- antiprogressive25
- antiseparatists19
- antishoplifting28
- antispeculation25
- antispeculative28
- antisyphilitics27
- apocalyptically34
- apocalypticisms33
- apolipoproteins26
- appealabilities26
- applicabilities29
- apprenticeships30
- approachability32
- appropriateness25
- archaeopteryxes32
- archiepiscopate29
- aromatherapists23
- arteriographies22
- astrophotograph27
- astrophysically29
- astrophysicists25
- atmospherically30
- autobiographers26
- autobiographies26
- autographically30
- autoradiographs24
- autoradiography26
- autotetraploids21
- autotetraploidy23
- autotrophically28
- bacteriophagies28
- benzodiazepines42
- bibliographical33
- bibliotherapies27
- biogeographical31
- biostratigraphy27
- bipartisanships27
- bipolarizations32
- blasphemousness29
- blaxploitations31
- boustrophedonic29
- brachycephalies34
- bronchoscopists30
- bumptiousnesses27
- businesspersons24
- capaciousnesses26
- capitalizations32
- cardiopulmonary30
- carpetbaggeries28
- cephalothoraces29
- cephalothoraxes33
- chancellorships31
- chemoautotrophy31
- chemoreceptions30
- chemotherapists28
- chloramphenicol34
- chlorpromazines37
- chlorpropamides31
- cholangiography33
- chromatographed31
- chromatographer30
- chromatographic33
- chronotherapies26
- cinematographer29
- cinematographic32
- circumscription32
- circumspections32
- claustrophobias28
- commonplaceness33
- comparabilities28
- comparativeness29
- compassionately28
- compassionating28
- compatibilities28
- compendiousness28
- competitiveness29
- complementaries29
- complementarily32
- complementarity31
- complementation30
- complementizers38
- complicatedness30
- complimentarily32
- compositionally29
- comprehensively34
- compressibility30
- comptrollership31
- computabilities29
- computationally30
- computerization35
- computerphobias33
- conceptualising30
- conceptualistic30
- conceptualities27
- conceptualizers36
- conceptualizing39
- congresspersons25
- connoisseurship26
- conservatorship28
- conspicuousness28
- consultantships27
- contemplatively33
- contemporaneity28
- contemporaneous27
- contemptibility31
- contrapositions23
- contrapositives26
- controllerships26
- cooperationists22
- cooperativeness26
- corporealnesses23
- correspondences27
- correspondingly29
- corticotrophins27
- cosmopolitanism29
- councillorships30
- countercampaign32
- counterexamples34
- counterpetition24
- counterpicketed31
- counterplotting27
- counterpointing27
- counterpressure24
- counterprojects35
- counterproposal27
- counterprotests23
- counterpunchers30
- counterpunching33
- counterresponse24
- counterstepping29
- crossopterygian26
- cryoprotectants27
- cryptanalytical31
- cryptorchidisms32
- cryptozoologies35
- cryptozoologist35
- crystallography31
- cyproheptadines30
- cytophotometric31
- cytoplasmically34
- daguerreotypies24
- daguerreotyping27
- daguerreotypist24
- deceptivenesses27
- decompensations27
- decomposability31
- demographically33
- departmentalize33
- dependabilities25
- depersonalizing33
- dephosphorylate29
- depigmentations26
- depolarizations30
- dermatoglyphics32
- descriptiveness27
- desperatenesses20
- despiritualized31
- despiritualizes30
- dessertspoonful25
14 letters
- absorptivities24
- acceptableness28
- accompaniments31
- accomplishable33
- accomplishment33
- accountantship28
- acetaminophens27
- achondroplasia25
- actinomorphies26
- acupuncturists27
- adaptabilities22
- adaptationally23
- adaptivenesses23
- adoptabilities22
- affenpinschers30
- allelomorphism28
- allopatrically26
- allopolyploids27
- allopolyploidy29
- allotetraploid21
- alphabetically30
- alphanumerical29
- ambassadorship26
- aminopeptidase25
- aminophyllines28
- amitriptylines24
- amphibiousness27
- amphiprostyles28
- amplifications28
- analphabetisms27
- anaphrodisiacs24
- anisometropias21
- antepenultimas24
- anthophyllites26
- anthropologies23
- anthropologist23
- anthropometric26
- anthropomorphs28
- anthropophagus28
- antiapartheids21
- anticapitalism25
- anticapitalist22
- anticensorship24
- anticorruption23
- antidepressant20
- antidepression20
- antiepileptics25
- antimonopolist23
- antineoplastic23
- antiparasitics21
- antiperspirant22
- antiphlogistic26
- antipollutions22
- antipsychotics28
- antiseparatist18
- antiseptically25
- antispasmodics25
- antisyphilitic26
- aperiodicities21
- aphoristically26
- apocalypticism32
- apocryphalness29
- apolipoprotein25
- apologetically27
- apoplectically31
- aposematically27
- apostolicities21
- apostrophising25
- apostrophizing34
- apotropaically27
- apparentnesses22
- appendectomies28
- appendicectomy33
- appendicitises25
- apportionments25
- appositenesses21
- appreciatively30
- apprehensively30
- apprenticeship29
- appropriations24
- approximations31
- archbishoprics30
- archiepiscopal29
- aromatherapies22
- aromatherapist22
- arteriographic24
- assistantships20
- associateships22
- asthenospheres22
- asthenospheric25
- astrophysicist24
- asymptotically29
- auspiciousness23
- autobiographer25
- autobiographic28
- autopolyploids26
- autopolyploidy28
- autoradiograph23
- autotetraploid20
- bacteriophages27
- benzodiazepine41
- bibliographers28
- bibliographies28
- bibliophilisms30
- biogeographers26
- biogeographies26
- biographically31
- bipartisanisms24
- bipartisanship26
- bipolarization31
- blaxploitation30
- blepharoplasts27
- blepharoplasty29
- blepharospasms29
- blimpishnesses27
- boustrophedons25
- brachycephalic36
- brinksmanships31
- bromocriptines27
- bronchoscopies29
- bronchoscopist29
- bronchospastic29
- businesspeople26
- businessperson23
- butyrophenones27
- calligraphists26
- campanologists27
- campylobacters32
- campylotropous30
- capitalization31
- capriciousness25
- caprifications27
- captiousnesses22
- cardiographies25
- cardiomyopathy30
- cartographical28
- cataleptically28
- catastrophisms25
- catastrophists22
- cephalizations33
- cephalometries26
- cephaloridines25
- cephalosporins27
- ceruloplasmins27
- chancellorship30
- chemisorptions26
- chemoreception29
- chemoreceptive32
- chemoreceptors28
- chemotherapies27
- chemotherapist27
- chieftainships28
- chirographical30
- chlamydospores29
- chlorophyllous30
- chlorpromazine36
- chlorpropamide30
- choreographers26
- choreographies26
- choreographing29
- chromatographs29
- chromatography31
- chromatophores27
- chromoproteins26
- chronographies27
- churchmanships34
- cinematographs28
- cinematography30
- circumspection31
- clapperclawing34
- claustrophobes27
- claustrophobia27
- claustrophobic30
- clothespresses23
- cochairpersons26
- coconspirators24
- codependencies27
- collapsibility28
- colleagueships27
- collectorships27
- commanderships30
- companionships30
- comparableness28
- comparativists27
- compartmenting30
- compassionated25
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- compassionless25
- compatibleness28
- compensability30
- compensational26
- complementizer37
- completenesses25
- composednesses25
- comprehendible31
- comprehensible30
- comprehensibly32
- comprehensions27
- compulsiveness30
- compulsivities29
13 letters
- acceptability28
- acceptingness26
- accompaniment30
- accomplishers28
- accomplishing31
- acetaminophen26
- actinomorphic28
- acupuncturist26
- adaptednesses19
- affenpinscher29
- agamospermies24
- ailurophobias23
- allelomorphic27
- allelopathies21
- allomorphisms26
- allopolyploid26
- allotypically27
- alphabetizers31
- alphabetizing34
- alphanumerics27
- aminophylline27
- amitriptyline23
- amorphousness23
- amphibologies27
- amphictyonies27
- amphidiploids27
- amphidiploidy29
- amphiploidies26
- amphiprostyle27
- amphitheaters23
- amphitheatric26
- amplification27
- analphabetics26
- analphabetism26
- anaphorically26
- anaphrodisiac23
- anaphylactoid26
- anchorpersons23
- anencephalies24
- angiographies23
- angioplasties20
- angiospermous23
- anisometropia20
- anisometropic23
- anisotropisms20
- antepenultima23
- anthophyllite25
- anthropogenic25
- anthropometry24
- anthropomorph27
- anthropophagi26
- anthropophagy28
- anthroposophy26
- antiapartheid20
- anticipatable24
- anticipations21
- anticorporate20
- antiepileptic24
- antinepotisms21
- antiparasitic20
- antiparticles21
- antipersonnel20
- antipesticide21
- antiphonaries20
- antipleasures19
- antipolitical22
- antipollution21
- antipredators18
- antipruritics21
- antipsychotic27
- antispasmodic24
- aortographies20
- apathetically25
- apatosauruses18
- aperiodically24
- aphrodisiacal23
- apiculturists22
- apocalyptical29
- apocalyptisms28
- apocalyptists25
- apodictically27
- apomictically29
- apostrophised22
- apostrophises21
- apostrophized31
- apostrophizes30
- apotheosizing30
- appealability26
- appellatively28
- apperceptions26
- applicability29
- applicatively30
- appoggiaturas24
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- appraisements23
- appreciations23
- apprehensible26
- apprehensibly28
- apprehensions23
- appropriately25
- appropriating25
- appropriation23
- appropriative26
- appropriators22
- approximately32
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- approximation30
- approximative33
- appurtenances25
- aptitudinally23
- archaeopteryx30
- archbishopric29
- archipelagoes24
- arsenopyrites19
- arsphenamines23
- arteriography22
- arthropathies20
- arthroscopies21
- aspergilloses20
- aspergillosis20
- asphyxiations28
- assistantship19
- associateship21
- asthenosphere21
- astrophysical24
- attorneyships21
- atypicalities22
- autobiography26
- autocephalies23
- autocephalous24
- automorphisms25
- autopolyploid25
- avoirdupoises22
- azathioprines28
- backpedalling32
- bacteriophage26
- bacteriophagy28
- baroreceptors22
- basidiospores20
- benzoapyrenes32
- benzophenones33
- bibliographer27
- bibliographic30
- bibliopegists25
- bibliophilies26
- bibliophilism29
- bibliopolists24
- bibliotherapy27
- biocompatible29
- biogeographer25
- biogeographic28
- biophysicists26
- bipartisanism23
- bipropellants25
- blasphemously29
- blepharoplast26
- blepharospasm28
- bootstrapping25
- boustrophedon24
- brachycephaly34
- brachypterous27
- brinkmanships30
- brinksmanship30
- bromocriptine26
- bronchoscopes28
- bronchoscopic31
- bronchospasms28
- bumptiousness25
- butyrophenone26
- cacographical30
- cacophonously29
- calligraphers25
- calligraphies25
- calligraphist25
- callithumpian28
- camerapersons23
- campanologies26
- campanologist26
- camphoraceous28
- campylobacter31
- capablenesses24
- capaciousness24
- capacitations23
- capercaillies24
- capercailzies32
- capillarities21
- capitulations22
- caprification26
- cardinalships24
- cardiographic27
- cardiopathies22
- carpetbaggers26
- carpetbaggery28
- carpetbagging29
- cartographers23
- cartographies23
- catastrophism24
- catastrophist21
- centripetally24
12 letters
- abruptnesses20
- absorptances22
- absorptivity24
- acceptations22
- accipitrines22
- accompanists25
- accompanying30
- accomplished28
- accomplisher27
- accomplishes27
- actinomorphy26
- acupressures20
- acupunctures25
- adaptability22
- adaptational18
- adaptiveness21
- adaptivities20
- adoptability22
- adoptianisms20
- adoptionisms20
- adoptionists17
- agapanthuses21
- agoraphobias22
- agoraphobics25
- ailurophiles20
- ailurophobes22
- ailurophobia22
- allelomorphs23
- allelopathic23
- allomorphism25
- allopurinols20
- alphabetical25
- alphabetized31
- alphabetizer30
- alphabetizes30
- alphanumeric26
- aminopterins20
- aminopyrines22
- amperometric24
- amphetamines24
- amphibiously27
- amphibolites24
- amphibrachic31
- amphictyonic29
- amphidiploid26
- amphisbaenae24
- amphisbaenas24
- amphisbaenic27
- amphitheater22
- amylopectins25
- analphabetic25
- anaphylactic27
- anaplasmoses20
- anaplasmosis20
- anchorpeople25
- anchorperson22
- anemophilous23
- anencephalic26
- aneuploidies19
- angiographic25
- anisotropies16
- anisotropism19
- antependiums22
- anthophilous22
- anthropology23
- anticipating22
- anticipation20
- anticipators19
- anticipatory21
- antientropic20
- antiepilepsy22
- antimonopoly23
- antinepotism20
- antiparallel19
- antiparticle20
- antipathetic21
- antiperiodic20
- antiphonally23
- antipiracies19
- antipleasure18
- antipoaching24
- antipolitics20
- antipredator17
- antipruritic20
- antipyretics21
- antispending21
- antistrophes18
- antistrophic21
- aortographic22
- aperiodicity21
- aphrodisiacs21
- apiculturist21
- apocalyptism27
- apocalyptist24
- apochromatic26
- apocryphally29
- apolitically23
- apomorphines24
- apophyllites24
- apostatising18
- apostatizing27
- apostleships21
- apostolicity21
- apostrophise20
- apostrophize29
- apothecaries20
- apothegmatic25
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- apparatchiki27
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- apparentness20
- apparitional20
- appeasements22
- appellations21
- appellatives24
- appendectomy28
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- appendicular25
- apperceiving28
- apperception25
- apperceptive28
- appertaining22
- appetizingly33
- applications23
- appoggiatura23
- appointments23
- apportioning22
- appositeness19
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- appositively25
- appraisement22
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- appreciation22
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- appreciators21
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- apprehending25
- apprehension22
- apprehensive25
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- approachable27
- approbations22
- appropriable25
- appropriated22
- appropriates21
- appropriator21
- approximated29
- approximates28
- appurtenance24
- appurtenants21
- archesporial21
- archesporium24
- archetypally26
- archetypical26
- archipelagic26
- archipelagos23
- aromatherapy22
- arpeggiating22
- arsenopyrite18
- arsphenamine22
- arthroscopes20
- arthroscopic23
- arthrospores17
- artisanships18
- aspergillums23
- asphyxiating29
- asphyxiation27
- aspirational17
- astrophysics22
- asymptomatic26
- athwartships22
- atmospherics23
- attorneyship20
- auspiciously23
- autographies20
- autographing23
- autohypnoses21
- autohypnosis21
- autohypnotic24
- automorphism24
- autotrophies18
- auxotrophies25
- azathioprine27
- azoospermias27
- backdropping32
- backpedaling30
- backpedalled29
- backslappers29
- backslapping32
- backsplashes28
- backstopping31
- bailiffships27
- bankruptcies27
- baptisteries18
- baroreceptor21
- basidiospore19
- bathypelagic28