22 letters
21 letters
20 letters
19 letters
- clinicopathological39
- dendrochronological35
- gastroenterological29
- glottochronological35
- hydrometeorological34
- immunohematological39
- immunohistochemical41
- interdenominational28
- interjurisdictional36
- interorganizational34
- micrometeorological35
- nonrepresentational27
- posttranscriptional31
- psychophysiological43
- radiopharmaceutical36
- reticuloendothelial30
18 letters
- countereducational30
- ethnomusicological35
- histophysiological34
- hydrometallurgical35
- immunocytochemical43
- immunopathological38
- interinstitutional23
- lepidopterological33
- microenvironmental35
- micromorphological39
- neurophysiological34
- neuropsychological37
- nonanthropological33
- nonconfrontational30
- pathophysiological37
- physiopathological37
- psychobiographical42
- psychopathological40
- sociopsychological38
- ultramicroscopical36
17 letters
- antitechnological31
- biometeorological30
- characterological32
- countercommercial35
- electroanalytical29
- electromechanical34
- histopathological31
- historiographical30
- hyperintellectual32
- interdepartmental27
- intergenerational23
- intergovernmental30
- interpopulational28
- interprofessional26
- metapsychological37
- multigenerational27
- neuropathological31
- neuroradiological27
- nonconstitutional26
- nondenominational27
- nonecclesiastical30
- otolaryngological30
- paleogeographical34
- paleopathological33
- parapsychological37
- pharmacognostical35
- phytogeographical37
- phytopathological36
- phytosociological34
- posttranslational24
- pyrometallurgical34
- superintellectual29
- symptomatological35
- transgenerational23
- ultraprofessional27
16 letters
- adenohypophyseal33
- adenohypophysial33
- anticonventional28
- antihierarchical28
- antimetaphysical31
- autobiographical31
- biotechnological32
- chordamesodermal30
- chronobiological32
- deuterocanonical27
- discriminational26
- ecophysiological33
- endocrinological29
- epizootiological35
- extrachromosomal35
- extraterrestrial24
- extraterritorial24
- gastroesophageal26
- gastrointestinal21
- geochronological31
- geomorphological33
- glossopharyngeal30
- interchromosomal29
- intercontinental24
- intergradational22
- interministerial22
- interpretational22
- interterritorial18
- intertestamental22
- metamathematical31
- multidimensional28
- multidirectional27
- neurohypophyseal33
- neurohypophysial33
- nonchronological31
- noncontroversial27
- nondisjunctional35
- nongravitational26
- noninstitutional22
- noninstructional25
- nonphilosophical33
- nonpsychological35
- oligodendroglial26
- ophthalmological34
- paraprofessional27
- phantasmagorical31
- phenomenological33
- postdepositional25
- postexperimental34
- postpresidential25
- presuppositional28
- pretechnological32
- prosopographical33
- psychoanalytical34
- psychobiological36
- psychohistorical32
- quadricentennial34
- quantificational35
- redistributional23
- reorganizational30
- representational22
- roentgenological27
- sedimentological28
- semigovernmental31
- semiprofessional27
- sesquicentennial33
- submitochondrial31
- supersubstantial26
- tracheobronchial31
- transcontinental24
- transformational25
- transportational22
- ultracentrifugal29
- ultraparadoxical33
- unconstitutional25
- undenominational26
15 letters
- accommodational30
- acculturational26
- amphitheatrical29
- anthropological28
- anticlimactical30
- antieducational23
- antimonarchical29
- antisentimental22
- antitheoretical22
- antitraditional19
- bacteriological28
- bibliographical33
- biogeographical31
- biomathematical30
- circumferential30
- communicational31
- configurational27
- confrontational25
- corynebacterial28
- countercultural27
- countercyclical33
- counterproposal27
- cryptanalytical31
- demonstrational22
- dialectological27
- disproportional24
- documentational26
- ecclesiological29
- electrochemical31
- electrosurgical26
- enterobacterial23
- entrepreneurial22
- epidemiological29
- epistemological28
- ethnohistorical24
- hydrobiological30
- hydromechanical33
- hyperfunctional32
- hypochondriacal33
- improvisational27
- improvisatorial26
- inconsequential32
- interbehavioral26
- interdivisional23
- interindividual25
- interparoxysmal32
- interperceptual27
- interphalangeal26
- interprovincial28
- interrogational20
- intraperitoneal21
- intrapreneurial22
- introspectional24
- investigational24
- jurisprudential32
- juxtapositional37
- lexicographical37
- macrostructural27
- mechanochemical36
- microanalytical29
- microanatomical29
- microbiological31
- microstructural27
- miscegenational26
- multidivisional27
- multifunctional30
- multimillennial28
- musculoskeletal30
- neuroanatomical25
- neurobiological27
- nonagricultural26
- nonastronomical25
- nonbiographical31
- nonconfidential27
- nonconventional28
- nondepartmental26
- nonexperimental32
- nongovernmental29
- nonhierarchical28
- noninflectional27
- noninsecticidal26
- noninstrumental24
- nonintellectual25
- nonmathematical29
- nonmetaphorical29
- nonoccupational29
- nonpreferential25
- nonprofessional25
- nonprofessorial24
- oceanographical30
- omnidirectional25
- orchestrational22
- organomercurial26
- paleobiological29
- paleoecological29
- paleontological27
- paleozoological35
- pantisocratical26
- parasitological25
- participational26
- pharmacological33
- philanthropical31
- photobiological30
- photogeological29
- photomechanical33
- physicochemical37
- physiographical33
- postconsonantal25
- preagricultural27
- prepresidential24
- preprofessional26
- pronunciational26
- radiobiological26
- recombinational27
- retroperitoneal20
- semicylindrical30
- semiterrestrial19
- sociobiological28
- sociohistorical24
- subprofessional27
- superindividual28
- superstructural25
- thermodynamical31
- transcriptional24
- transhistorical22
- transpirational21
- transpositional21
- transubstantial22
- trichomonacidal29
- trigonometrical25
- ultracommercial30
- ultrastructural23
- unchronological30
- uncontroversial26
- zoogeographical37
14 letters
- adrenocortical23
- aerobiological24
- alphanumerical29
- anagrammatical27
- anticommercial28
- antihistorical21
- antihomosexual29
- arboricultural24
- archaeological26
- archiepiscopal29
- axisymmetrical33
- bibliomaniacal29
- biogeochemical31
- biostatistical21
- cartographical28
- catachrestical26
- chirographical30
- chronometrical27
- circumstantial26
- civilizational33
- climatological28
- commonsensical29
- compensational26
- condensational22
- confirmational26
- conformational26
- congregational24
- conservational24
- conservatorial23
- consociational23
- conspirational23
- conspiratorial22
- constitutional21
- constructional24
- consubstantial24
- conversational24
- cosmographical31
- counterfactual27
- craniocerebral25
- criminological28
- cryobiological29
- denominational22
- dermatological25
- diagrammatical27
- discographical29
- dispensational21
- dissertational17
- distributional21
- ecclesiastical25
- electrothermal24
- epicontinental24
- eschatological26
- ethnobotanical25
- ethnographical28
- eugeosynclinal26
- extracorporeal28
- extrapyramidal31
- gastroduodenal21
- gerontological24
- hagiographical29
- herpetological26
- hieroglyphical30
- hydrocolloidal26
- hydrodynamical30
- hyperemotional26
- hypocoristical28
- ichthyological30
- iconographical29
- illustrational19
- immunochemical34
- insurrectional21
- intelligential21
- intercessional20
- interdialectal21
- interferential20
- interjectional29
- intermenstrual21
- interparochial24
- intersectional20
- intersegmental22
- intervertebral23
- jurisdictional30
- lichenological28
- megalomaniacal28
- meteorological24
- methodological27
- microspherical29
- monotheistical24
- multidialectal25
- multifactorial26
- multipotential24
- myrmecological32
- narratological22
- nasopharyngeal26
- nomenclatorial24
- nonchromosomal28
- noncontractual25
- nondimensional23
- nondirectional22
- noneducational23
- nonexistential25
- nongeometrical25
- nongrammatical28
- nonideological24
- nonoperational21
- nonresidential19
- nonsensational19
- nonstatistical20
- nonsymmetrical28
- nontheological25
- nontheoretical22
- nontraditional19
- nymphomaniacal33
- organizational28
- ornithological24
- orthographical27
- overanalytical26
- paleobotanical26
- paleographical29
- perturbational23
- petrographical28
- pharmaceutical30
- pharmacopoeial29
- phraseological26
- physiognomical31
- planetological26
- polytheistical26
- posterolateral19
- postindustrial21
- postmenopausal26
- postmillennial25
- postpositional22
- preconsonantal24
- preoperational22
- presentational20
- presentimental23
- primatological27
- progestational21
- prothonotarial21
- psychochemical36
- psychophysical35
- psychosurgical31
- pteridological25
- quincentennial32
- quintessential27
- reminiscential23
- resurrectional20
- semasiological24
- semicentennial24
- semicommercial30
- semifunctional27
- sociopolitical25
- soteriological21
- spatiotemporal24
- spermatogonial24
- staphylococcal32
- stereochemical26
- subarachnoidal26
- subcontinental25
- substitutional21
- suprasegmental25
- terminological25
- thanatological24
- thermochemical31
- transcendental22
- transductional22
- transferential20
- transplacental24
- tridimensional21
- ultrapractical26
- unconventional27
- unidimensional23
- unidirectional22
- unintellectual24
- unprofessional24
- vexillological34
- volcanological30
13 letters
- abstractional21
- acquisitional28
- aerodynamical24
- aggregational21
- alchemistical26
- ambassadorial21
- antibacterial21
- anticlassical22
- antidiarrheal18
- antimicrobial24
- antipolitical22
- aphrodisiacal23
- apocalyptical29
- arbitrational18
- archeological25
- archidiaconal24
- architectural23
- associational18
- astronautical19
- astrophysical24
- attributional19
- autecological24
- bathymetrical27
- biconditional23
- bidirectional22
- bioelectrical24
- biomechanical29
- cacographical30
- calculational24
- cardiological24
- cerebrospinal24
- chemosurgical28
- chronological26
- codicological27
- coeducational23
- cohomological28
- collocational23
- combinational25
- combinatorial24
- compartmental27
- compositional24
- compressional24
- computational25
- congressional21
- conjugational31
- conjunctional33
- connotational20
- consequential29
- contractional22
- contralateral19
- controversial22
- convocational26
- coresidential19
- correlational19
- cosmochemical31
- cryptological28
- crystalloidal22
- cytogenetical25
- declinational21
- deformational22
- demographical28
- demonological25
- dendrological23
- deontological22
- determinantal20
- developmental27
- dipsomaniacal25
- disfunctional24
- dispositional19
- dramaturgical24
- dysfunctional26
- electrodermal22
- embryological28
- entomological24
- environmental24
- epiphenomenal27
- equipotential28
- examinational26
- exobiological30
- expectational28
- explorational26
- expurgatorial27
- exterritorial21
- extrajudicial35
- floricultural24
- fluctuational24
- foraminiferal24
- futurological25
- gastronomical23
- glaciological26
- grandparental22
- graphological27
- gravitational21
- gubernatorial21
- gynecological28
- hematological25
- hemispherical27
- hermeneutical24
- histochemical27
- horticultural22
- hyperboloidal26
- hypercritical27
- hypermetrical27
- hyperphysical31
- hyperrational22
- ichthyofaunal28
- immigrational23
- immunological28
- incantational20
- inclinational21
- infinitesimal22
- informational22
- inquisitional26
- inquisitorial25
- inscriptional22
- inspirational19
- institutional17
- instructional20
- insubstantial20
- interactional19
- intercolonial20
- intercommunal26
- intercortical21
- intercultural21
- interfamilial22
- intermarginal21
- international17
- interneuronal18
- interpersonal19
- interproximal28
- interregional18
- intersocietal18
- interterminal19
- intertropical21
- intracerebral21
- intrapersonal19
- lackadaisical26
- legislatorial18
- magistratical22
- malacological27
- maxillofacial32
- meningococcal30
- metacercarial23
- metafictional24
- metallurgical25
- microcultural26
- microfilarial24
- microphysical30
- microscopical29
- microsurgical26
- mineralogical24
- mitochondrial24
- molluscicidal27
- monophthongal28
- morphological28
- multicultural25
- multihospital24
- multinational21
- multiregional22
- multispectral25
- multiterminal23
- musicological27
- mycobacterial28
- myoelectrical26
- mythopoetical27
- nematological24
- neurochemical27
- neurohormonal22
- neurosurgical22
- nomenclatural24
- nonbehavioral25
- nonbiological25
- noncommercial28
- nonconceptual27
- nonconsensual22
- nonelectrical23
- nonfunctional25
- nongonococcal28
- nonhistorical21
- nonhomosexual29
- nonhysterical23
- nonindividual24
- nonindustrial19
- nonjudgmental33
- nonmanagerial22
- nonmechanical28
- nonreciprocal25
- nonsequential27
- nonstructural21
- nontheatrical21
- nonvocational24
- numerological25
- observational22
- ochlocratical26
- orientational16
- orismological23
- oropharyngeal24
- oscillational20
- overemotional22
- ovipositional22
12 letters
- aberrational17
- adaptational18
- adjustmental28
- aeronautical18
- agrichemical26
- agricultural21
- agrochemical26
- alphabetical25
- amygdaloidal23
- annexational23
- anthological22
- anticlerical21
- anticolonial19
- anticultural20
- antimalarial18
- antinational16
- antirational15
- antithetical19
- apparitional20
- appositional20
- aquacultural29
- archesporial21
- archetypical26
- arithmetical21
- aspirational17
- astrological19
- astronomical20
- asymmetrical24
- atheoretical18
- audiological21
- autocratical20
- bactericidal23
- bibliothecal25
- bicentennial22
- bifunctional25
- bimillennial23
- biographical26
- biotechnical25
- catechetical24
- coincidental22
- commissarial22
- complemental27
- complexional31
- componential24
- conceptional24
- concessional21
- conductorial22
- conferential21
- confessional21
- confidential22
- conjunctival35
- connectional22
- consistorial17
- contrapuntal22
- convectional25
- conventional23
- conversional22
- correctional20
- cosmogonical25
- cosmological25
- craniofacial23
- craniosacral20
- cryosurgical24
- cryptococcal30
- cybernetical25
- cytochemical29
- cytoskeletal23
- declensional20
- definitional19
- departmental21
- depositional18
- derivational19
- diagnostical20
- differential21
- difunctional23
- digressional17
- dilatational16
- distortional15
- dodecahedral21
- dorsiventral19
- dorsolateral15
- dorsoventral19
- emblematical26
- endochondral22
- endoskeletal20
- endotracheal20
- enterococcal23
- enterostomal17
- epexegetical28
- epicycloidal26
- epigraphical26
- ethnological22
- etymological24
- excavational28
- exorcistical26
- expediential25
- experiential24
- experimental27
- expositional24
- expressional24
- extracranial24
- extralimital24
- extralogical26
- extramarital23
- extramusical27
- extratextual28
- foundational20
- genealogical22
- generational17
- geobotanical22
- geographical25
- geopolitical22
- geosynclinal23
- geotechnical24
- gladiatorial17
- governmental24
- hagiological23
- hemorrhoidal21
- heroicomical24
- heterocercal21
- heterosexual23
- hexobarbital28
- hierarchical23
- histological21
- hydrological24
- hydrothermal23
- hyperarousal21
- hyperbolical27
- hypertypical28
- hypocritical26
- hypothetical25
- iconological23
- imbibitional23
- immethodical25
- imperatorial19
- indicational19
- infanticidal22
- inflectional22
- inhalational18
- innovational20
- insecticidal21
- instrumental19
- intellectual20
- intercoastal17
- interfluvial23
- interglacial20
- internuncial20
- interorbital17
- interpluvial23
- interstadial15
- interstitial14
- intertextual22
- intonational16
- intracardial18
- intracranial18
- invitational19
- invocational22
- involutional21
- irrotational14
- karyological25
- levitational19
- limitational18
- limnological24
- linguistical21
- lithological22
- longitudinal20
- managemental23
- mathematical24
- maturational18
- metaphorical24
- metaphysical26
- metathetical21
- meteoritical19
- metrological22
- metronomical23
- microcrystal24
- misappraisal22
- monocultural23
- monomaniacal24
- monsignorial20
- motivational21
- motoneuronal19
- multilateral19
- multilingual23
- museological23
- mythological26
- navigational21
- necrological23
- neoclassical21
- neurohumoral21
- neurological21
- nonbacterial21
- nonclassical22
- noncommittal24
- noncustodial20
- noneditorial16
- nonemotional19
- nonempirical24
- nonessential16
- nonfictional22
11 letters
- abiological21
- accessional19
- accessorial18
- adventitial18
- adversarial17
- advertorial17
- aeromedical19
- aeronomical19
- aesthetical17
- affectional22
- agitational15
- ahistorical17
- algological21
- allegorical19
- altitudinal16
- amobarbital21
- anecdotical20
- antenuptial18
- antheridial16
- anthropical21
- antiliberal17
- antilogical19
- antimusical20
- antinatural15
- antiradical17
- antitumoral17
- apartmental19
- apicultural21
- aptitudinal18
- archegonial20
- artifactual19
- ascensional17
- atheistical17
- attentional14
- attitudinal15
- attritional13
- audiovisual19
- autarchical21
- avocational20
- axiological25
- bidialectal20
- biochemical26
- biomaterial18
- biometrical21
- biophysical25
- bioregional18
- bipyramidal24
- bisectional19
- bryological23
- calendrical21
- caricatural19
- carpogonial21
- casuistical19
- cataclysmal24
- catechismal23
- categorical20
- centrifugal22
- centripetal19
- chancroidal22
- chromosomal23
- cicatricial21
- citronellal18
- clostridial17
- cognitional19
- collisional18
- commissural22
- condimental21
- conditional18
- conflictual24
- confusional21
- conjectural29
- consonantal18
- continental18
- contractual20
- coprincipal25
- coxcombical34
- cylindrical23
- cytological23
- deceptional20
- decremental20
- deferential17
- demiurgical22
- detrimental17
- diacritical19
- dialectical20
- diametrical19
- dictatorial16
- diffusional21
- dimensional18
- diphtherial20
- diphthongal23
- directional17
- directorial16
- disapproval23
- disciplinal21
- educational18
- egomaniacal21
- egotistical17
- ellipsoidal18
- endocardial18
- endometrial17
- endothelial17
- enigmatical21
- enteroviral17
- epithetical20
- equilateral23
- equinoctial26
- erythrismal19
- ethological20
- etiological18
- eurythermal20
- evangelical23
- exceptional26
- excremental26
- executorial23
- existential20
- exoskeletal24
- expansional24
- exponential24
- extensional21
- fantastical19
- firmamental22
- fratricidal19
- fundamental22
- gemological23
- genotypical23
- geochemical25
- geometrical20
- geophysical24
- gestational15
- gradational16
- grammatical23
- hexadecimal28
- hippocampal29
- homiletical21
- homological23
- horological20
- hypersexual27
- hypocentral23
- hypoglossal22
- hypophyseal26
- hypophysial26
- hypothermal24
- icosahedral18
- ideological19
- impolitical22
- impractical24
- incorporeal19
- incremental20
- ineffectual23
- inessential14
- inferential17
- infinitival21
- influential19
- infomercial22
- insertional14
- instinctual18
- intensional15
- intentional15
- interannual16
- intercensal17
- intercostal16
- interdental15
- interfacial19
- interracial16
- intersexual21
- intertribal16
- intradermal17
- intrathecal18
- intrinsical17
- intuitional15
- inventorial18
- ipsilateral16
- judgmatical31
- kinematical23
- labiodental18
- lactational17
- latitudinal16
- leishmanial19
- leptospiral19
- leukorrheal20
- librational17
- lineamental18
- loculicidal22
- lumbosacral23
- magisterial17
- matriarchal20
- matrilineal17
- matrimonial19
- mediastinal17
- mediational17
- medicolegal22
- mesenchymal26
- mesothelial18
- metaethical20
- metalloidal18
- meteoroidal16
- metonymical24
- micrococcal27
- microfaunal23
10 letters
- abacterial17
- aboriginal17
- academical21
- acaricidal18
- accidental19
- acoustical18
- acrostical17
- additional14
- adenoviral17
- adhesional15
- adjectival28
- alchemical23
- alkaloidal18
- ambisexual25
- ambulacral22
- ammoniacal21
- anagogical19
- analogical18
- analytical18
- anarchical20
- anatomical18
- aneurysmal18
- anticlinal17
- antifungal19
- antimonial16
- antiphonal18
- antisexual20
- antisocial15
- apocryphal24
- apolitical18
- apophyseal21
- apothecial19
- archetypal21
- artificial17
- aspherical19
- assonantal13
- asteroidal12
- autarkical19
- behavioral20
- beneficial21
- bequeathal26
- bicultural20
- bilharzial26
- binational16
- bioethical19
- biological20
- biomedical21
- biparental18
- botryoidal17
- campestral20
- carnassial15
- catamenial18
- centennial17
- centesimal18
- ceremonial18
- cheliceral20
- chimerical22
- chlamydial23
- citational15
- cognominal21
- collateral16
- colloquial26
- colorectal18
- commercial23
- commonweal24
- conceptual22
- conchoidal21
- confederal19
- confrontal19
- congenital18
- connatural17
- consensual17
- contextual23
- conventual21
- covenantal20
- credential16
- curatorial15
- decemviral22
- decisional16
- delusional15
- demoniacal19
- dermatomal18
- desmosomal18
- devotional17
- diabolical19
- dialogical18
- diaphyseal19
- diaphysial19
- didactical19
- disenthral15
- divisional17
- documental20
- dogmatical20
- duodecimal20
- ecological20
- economical21
- ectodermal18
- ecumenical22
- egoistical16
- electrical18
- elliptical19
- emulsoidal17
- encyclical24
- endodermal17
- enological18
- entodermal16
- epicardial18
- epicentral18
- epidemical21
- epididymal21
- epiglottal17
- epiphyseal21
- epiphysial21
- episodical18
- epitaphial19
- epithelial17
- epitomical20
- equational22
- equatorial21
- eremitical17
- esophageal18
- evidential17
- excisional22
- exegetical23
- exothermal23
- extemporal24
- extralegal21
- extramural22
- fractional18
- fragmental20
- frictional18
- functional20
- fungicidal22
- geodetical17
- geological19
- geothermal18
- germicidal20
- glossarial14
- goldenseal16
- gonococcal23
- gonorrheal16
- gyrational16
- haustorial14
- hebdomadal21
- helicoidal18
- hemiacetal19
- hemihedral19
- heptagonal19
- herbicidal20
- hermetical19
- hierarchal18
- historical16
- holohedral17
- homocercal22
- homosexual24
- homosocial19
- horizontal23
- hypabyssal23
- hypaethral20
- hypodermal22
- hysterical18
- ideational13
- idiolectal16
- illusional15
- immaterial17
- immemorial20
- impersonal18
- incidental17
- individual19
- industrial14
- influenzal27
- interlocal16
- intermodal16
- intermural16
- internodal14
- interrenal13
- intertidal13
- intertrial12
- interzonal22
- intestinal13
- intramural16
- intranasal13
- intravital16
- intrazonal22
- involucral21
- irrational12
- isochronal17
- isoglossal14
- isothermal16
- janitorial21
- jesuitical24
- judgmental28
- junctional26
- kilopascal22
- larvicidal20
- liturgical18
- locational16
- logistical17
- magnifical23
- managerial17
9 letters
- abdominal18
- accentual18
- acquittal23
- acropetal16
- acrosomal16
- actuarial14
- adenoidal13
- adverbial18
- algicidal17
- altricial14
- ambrosial16
- ancestral14
- anecdotal15
- angelical17
- antenatal12
- antidotal12
- antinodal13
- antipapal17
- antipodal15
- antiviral15
- appraisal16
- archducal20
- armigeral15
- arsenical14
- artisanal11
- ascetical16
- aspectual17
- atemporal16
- auctorial14
- authorial13
- autosomal14
- avifaunal19
- azimuthal25
- bacchanal22
- backpedal24
- bacterial16
- baptismal19
- baritonal14
- basipetal16
- betrothal15
- bicameral19
- bicipital19
- bicoastal16
- bigeminal19
- bilateral14
- bilingual18
- biosocial16
- blastemal17
- botanical17
- botulinal16
- branchial19
- bronchial19
- cacuminal21
- cadastral14
- cadential15
- calcaneal18
- canonical18
- cantorial14
- catarrhal15
- cathedral16
- celestial14
- censorial14
- cercarial16
- chaparral18
- choroidal16
- circuital17
- cisternal14
- cladodial16
- classical17
- claustral15
- cloistral14
- coccygeal23
- cochineal19
- coeternal14
- coitional14
- collegial17
- colloidal16
- colluvial20
- colostral14
- commensal20
- committal19
- conferral17
- conformal20
- congenial17
- connubial19
- continual16
- convivial22
- corporeal16
- creatural14
- cursorial14
- custodial15
- cycloidal20
- dandiacal16
- decennial16
- deistical14
- demential15
- demonical18
- denominal16
- dialectal15
- diametral14
- diarrheal13
- dictional15
- disavowal18
- discoidal15
- dismissal14
- dispersal14
- dissocial14
- doctrinal15
- dominical18
- dropsical17
- druidical16
- dynamical20
- ecclesial17
- editorial11
- effectual20
- electoral14
- elegiacal16
- elemental15
- embryonal19
- emotional14
- empirical19
- endosteal12
- ephemeral18
- epidermal17
- epifaunal18
- episcopal19
- epitaxial20
- equivocal27
- eristical13
- erosional11
- erratical13
- essential11
- estuarial11
- ethmoidal16
- factional17
- factorial16
- fanatical17
- fatidical17
- fenestral14
- fictional17
- financial18
- fissional14
- fluxional23
- foraminal17
- forestial13
- fossorial13
- fraternal14
- galenical17
- genetical16
- genitival17
- genocidal17
- graphical20
- heretical15
- hexagonal22
- homicidal19
- horizonal22
- hypnoidal19
- identical15
- idiotical14
- illiberal15
- illogical17
- impartial16
- inaugural15
- indexical22
- isohyetal14
- isophotal15
- junctural25
- juridical24
- khedivial21
- lachrymal21
- laryngeal16
- lemniscal18
- libidinal16
- liposomal17
- lognormal17
- lysosomal16
- magistral15
- marmoreal16
- marsupial17
- matutinal15
- mediaeval18
- medicinal18
- meningeal17
- menstrual15
- mercurial17
- microbial19
- middorsal15
- miliarial14
- miticidal17
- monarchal19
- monodical18
- monsoonal15
- municipal21
- myoneural17
- myxoviral26
- nocturnal16
- nonanimal16
- noncasual16
- noncausal16
- noncoital15
8 letters
- abapical18
- abbatial15
- abnormal16
- abomasal15
- achenial15
- acromial15
- adumbral17
- aecidial13
- aestival13
- affixial22
- agential12
- agrestal11
- allodial12
- alluvial16
- alogical15
- amphoral17
- anconeal14
- antennal12
- antheral12
- apologal15
- approval19
- aquarial19
- arbitral12
- arboreal12
- archaeal14
- archival18
- argental12
- armorial12
- arrhizal20
- arterial9
- asternal10
- astragal11
- atomical15
- atypical17
- autumnal15
- axonemal20
- balmoral16
- barbital15
- baronial13
- basidial13
- berascal15
- bestowal15
- betrayal14
- biannual15
- biblical19
- bicaudal17
- bidental14
- biennial14
- bifacial18
- bilabial16
- bimanual17
- bimensal16
- binaural14
- binomial16
- biocidal16
- biotical15
- biracial15
- biradial13
- bisexual20
- bonemeal16
- brachial17
- bracteal15
- breccial18
- caesural13
- calendal15
- caliphal18
- calyceal18
- cannibal17
- cantonal14
- capsidal16
- cardinal14
- carnival17
- carousal13
- cathodal15
- cerebral15
- cervical19
- chalazal24
- charcoal17
- chemical20
- chiasmal17
- chrismal17
- clerical16
- cliental14
- climatal16
- clinical17
- clitoral13
- colonial14
- colossal13
- columnal18
- comitial15
- communal20
- confocal19
- conidial14
- conjugal25
- conoidal14
- cornmeal16
- corporal15
- corrival16
- cortical15
- cosmical18
- criminal16
- critical15
- crunodal15
- cuboidal17
- cultural15
- cuspidal17
- custumal17
- cyclical21
- cyclonal19
- decidual15
- decretal13
- deferral13
- defrayal15
- deicidal14
- deifical16
- demersal13
- demurral14
- dentinal12
- dentural12
- deprival17
- detrital10
- deverbal17
- diaconal14
- diagonal13
- diastral10
- dicrotal13
- dihedral13
- diluvial16
- dioptral13
- dipteral13
- disloyal13
- disposal13
- dividual16
- doctoral13
- duncical18
- duodenal13
- dyspneal16
- ecdysial15
- ecocidal16
- ecotonal13
- effigial17
- empyreal17
- endemial14
- entozoal19
- epidural14
- epifocal18
- episomal15
- erotical12
- eschewal17
- especial15
- espousal13
- ethereal11
- ethnical15
- eventual15
- exarchal21
- excretal19
- exequial26
- exergual19
- exordial17
- external17
- falderal14
- familial16
- farcical18
- festival16
- fiducial17
- filarial13
- fimbrial18
- fishmeal17
- flexural21
- forbidal16
- forestal12
- fornical16
- fucoidal17
- funereal14
- furfural17
- galangal15
- ganglial15
- geranial12
- germinal15
- gestical14
- gestural12
- gingival18
- gnomical18
- gonadial13
- gonidial13
- gunmetal16
- guttural13
- gyroidal14
- habitual15
- haematal14
- haptical17
- hectical17
- heliacal15
- heroical14
- hibernal15
- hormonal15
- hospital14
- hymeneal17
- hymenial17
- hypogeal18
7 letters
- abaxial18
- abettal11
- abuttal12
- abysmal16
- abyssal13
- acaudal13
- accrual15
- accusal15
- actinal12
- adagial11
- adaxial16
- admiral12
- adnexal17
- adrenal10
- affinal15
- affixal21
- albinal13
- allheal12
- alodial10
- ammonal15
- anconal13
- anginal12
- apnoeal12
- apogeal13
- apsidal12
- apteral11
- arousal9
- arrayal10
- arrival12
- arsenal9
- asexual16
- asocial11
- augural12
- auroral9
- austral9
- balneal13
- basinal12
- bathyal15
- benthal14
- bestial11
- biaxial18
- bifocal17
- bimetal14
- bimodal15
- bipedal15
- bizonal21
- borstal11
- burghal16
- butyral14
- cambial17
- cameral14
- canthal14
- capital14
- caporal14
- caracal14
- carinal12
- censual13
- central12
- ceramal14
- chaetal13
- chasmal16
- chloral14
- chordal14
- choreal13
- chorial13
- clausal13
- cloacal15
- clypeal17
- coaeval15
- coastal11
- coaxial18
- coequal21
- comical17
- conceal15
- conchal17
- congeal14
- conical15
- cordial12
- corneal12
- cornual13
- coronal12
- coryzal22
- cotidal12
- cranial12
- creedal12
- crestal11
- crissal11
- crucial15
- crustal12
- cryptal16
- crystal13
- cubical18
- cubital15
- cynical17
- datival13
- decadal13
- decanal13
- decimal15
- decrial12
- deposal12
- devisal13
- dextral16
- digital11
- diurnal11
- domical15
- ectypal16
- edictal12
- eluvial14
- encinal13
- enteral9
- enthral11
- ephoral13
- epigeal13
- epochal16
- estival12
- estrual9
- eternal9
- ethical13
- exposal18
- exuvial20
- factual15
- fascial14
- faucial15
- federal12
- femoral14
- figural14
- finical15
- fluidal14
- fluvial17
- fractal14
- frontal12
- funeral13
- futural13
- gastral10
- geminal14
- general11
- genital11
- geoidal11
- gharial12
- glacial14
- glossal11
- glottal11
- gluteal12
- gnathal13
- gomeral13
- gonadal12
- gradual12
- gremial13
- helical14
- hematal13
- hernial11
- humeral14
- humoral14
- hymenal16
- hyoidal13
- illegal12
- immoral14
- incisal12
- incudal14
- initial9
- inthral11
- intimal12
- invital13
- ischial13
- jejunal28
- journal19
- juvenal23
- lacteal12
- lacunal14
- laminal13
- lanital10
- lateral9
- lexical19
- liberal12
- liminal13
- lingual13
- literal9
- litoral9
- lochial14
- loessal9
- logical14
- lumenal14
- luminal14
- lustral10
- lyrical14
- magical16
- marital11
- marshal13
- martial11
- matinal12
- maximal21
- mayoral13
- medical15
- medusal13
- metical14
- miasmal14
- mimical17
- mineral12
- minimal15
- misdeal12
6 letters
- aboral10
- acetal10
- actual11
- aecial10
- aerial7
- agonal10
- amoral10
- animal11
- anneal9
- annual10
- anodal9
- antral8
- anural9
- aortal7
- apical13
- apneal11
- apodal11
- appeal13
- astral7
- atabal10
- atonal8
- atrial7
- audial9
- avowal14
- axonal15
- azonal17
- barbal13
- benzal20
- bharal12
- biaxal17
- boreal10
- bridal11
- bromal13
- brumal14
- brutal11
- buccal17
- burial11
- bursal11
- caecal13
- carnal11
- carpal13
- casual11
- caudal12
- causal11
- cental11
- cereal10
- chiral12
- chital12
- choral12
- citral10
- clinal12
- clonal12
- coaxal17
- coccal16
- coeval14
- coital10
- corral10
- costal10
- credal11
- crural11
- cuneal12
- curial11
- curtal11
- cymbal18
- daedal9
- denial9
- dental9
- dermal11
- dismal11
- distal8
- dorsal8
- dossal8
- ductal12
- epical13
- espial10
- estral7
- facial13
- faecal13
- fallal12
- farfal13
- faucal14
- faunal12
- fecial13
- ferial10
- festal10
- fetial10
- feudal12
- filial11
- finial11
- fiscal13
- floral11
- foetal10
- fontal11
- formal13
- foveal14
- frugal13
- fungal14
- gavial13
- genial10
- gimbal15
- gimmal15
- gingal12
- global13
- gooral9
- haemal12
- hammal15
- hartal9
- herbal12
- hiatal9
- hiemal12
- hyetal11
- hymnal15
- hyphal16
- instal8
- irreal7
- jackal23
- jingal19
- jovial20
- jumbal23
- labial11
- laical11
- larval12
- lethal10
- lienal9
- lineal9
- loreal8
- luteal9
- mammal16
- manual12
- meatal10
- medial11
- menial11
- mensal11
- mental11
- mescal13
- mesial10
- mezcal22
- miskal14
- missal10
- mitral10
- mortal10
- mutual12
- narial8
- narwal11
- nasial8
- neural9
- normal11
- nounal10
- nuchal14
- ogival13
- ordeal8
- osteal7
- paleal11
- palpal14
- parral10
- pascal13
- pausal11
- penial11
- phonal13
- pineal11
- pinnal12
- plagal13
- plexal18
- plical14
- plural12
- portal10
- postal10
- primal13
- pulpal15
- quezal26
- racial10
- radial8
- rascal10
- recoal10
- rectal10
- redial8
- regnal10
- rental8
- repeal10
- reseal7
- retial7
- retral7
- reveal11
- rhinal10
- rictal10
- ritual8
- sacral10
- sandal9
- sendal9
- septal10
- serial7
- serval11
- sexual15
- signal10
- social10
- spinal11
- spiral10
- spital10
- sporal10
- squeal17
5 letters
- algal9
- annal8
- appal12
- areal6
- argal8
- artal6
- arval10
- aural7
- axial13
- banal10
- basal9
- binal10
- boral9
- bubal13
- cabal12
- canal10
- cecal12
- comal12
- copal12
- coral9
- coxal16
- craal9
- decal10
- dedal8
- domal10
- dotal7
- ducal11
- dural8
- equal16
- fatal9
- fecal12
- feral9
- fetal9
- final10
- focal12
- fugal12
- gayal10
- glial9
- goral8
- graal8
- gyral10
- hadal9
- hamal11
- hemal11
- horal8
- ideal7
- ileal7
- ilial7
- jacal18
- joual16
- jugal18
- jural16
- kraal10
- legal9
- local10
- loral7
- loyal9
- medal10
- metal9
- modal10
- molal10
- moral9
- mural10
- nasal7
- natal7
- naval11
- nidal8
- nival11
- nodal8
- nopal10
- notal7
- octal9
- offal12
- papal12
- pedal10
- penal10
- petal9
- phial11
- pibal12
- pical12
- pipal12
- pupal13
- ratal6
- regal8
- renal7
- rival10
- riyal8
- royal8
- rugal9
- rural7
- salal7
- sepal9
- seral6
- setal6
- sheal8
- shoal8
- sisal6
- skoal10
- steal6
- sural7
- tamal9
- tepal9
- tical9
- tidal7
- tonal7
- total6
- trial6
- tubal10
- typal11
- ureal7
- urial7
- usual8
- uveal11
- vagal12
- vasal10
- venal11
- vinal11
- viral10
- vital10
- vocal13
- wheal11
- zoeal15
- zonal16
4 letters
2 letters