17 letters
- cryptocrystalline33
- cryptographically39
- crystallographers31
- crystallographies31
- cyclophosphamides40
- cytomegaloviruses33
- cytopathogenicity35
- cytotaxonomically40
- cytotechnologists31
- decentralizations33
- declassifications29
- decomposabilities31
- deconstructionist27
- decriminalization36
- dedifferentiation27
- dehumidifications32
- dehydrochlorinase30
- dehydrochlorinate30
- deleteriousnesses21
- dematerialization32
- demilitarizations32
- demineralizations33
- demonstrabilities26
- demonstrativeness27
- demythologization38
- denationalization31
- denaturalizations31
- denominationalism28
- denuclearizations34
- deoxyribonuclease36
- depersonalization33
- dephosphorylating34
- dephosphorylation32
- depoliticizations35
- depolymerizations37
- depressurizations32
- dextroamphetamine37
- dialectologically32
- diastereoisomeric24
- dichotomousnesses28
- dictatorialnesses23
- dihydroergotamine29
- dihydroxyacetones36
- diphenylhydantoin34
- diphthongizations38
- directionlessness24
- disadvantageously30
- discombobulations33
- disequilibrations33
- disintermediation24
- dispassionateness23
- disproportionated26
- disproportionates25
- disqualifications36
- domineeringnesses26
- dorsiventralities24
- dorsoventralities24
- downheartednesses26
- echocardiographer33
- echocardiographic36
- editorializations29
- efficaciousnesses31
- electroanalytical29
- electrocardiogram30
- electrochemically36
- electroconvulsive35
- electrodepositing28
- electrodeposition26
- electromagnetisms30
- electromechanical34
- electrometallurgy31
- electromyographic36
- electronegativity30
- electrooculograms31
- electropherograms31
- electrophysiology33
- electroretinogram27
- electrostatically28
- embourgeoisements30
- emotionlessnesses23
- encephalographies34
- encephalomyelitis33
- environmentalisms31
- environmentalists28
- epidemiologically34
- epiphenomenalisms34
- epistemologically33
- epithelialization34
- ethnocentricities27
- ethnomusicologies30
- ethnomusicologist30
- exceptionalnesses33
- expeditiousnesses30
- extraordinariness27
- fashionablenesses28
- fictionalizations35
- fissiparousnesses25
- flirtatiousnesses23
- floriferousnesses26
- foresightednesses26
- fractionalization35
- gastroenteritides21
- glossopharyngeals31
- glycosaminoglycan38
- governmentalizing41
- gynandromorphisms35
- hemagglutinations30
- heterogeneousness24
- heterosexualities28
- heterotrophically31
- hexachloroethanes35
- histopathological31
- histopathologists27
- histophysiologies29
- historiographical30
- homogeneousnesses27
- housewifelinesses28
- hydroelectrically33
- hydrometallurgies30
- hydrometallurgist30
- hydroxytryptamine40
- hyperalimentation30
- hyperdevelopments37
- hyperemotionality31
- hyperimmunization42
- hyperinflationary32
- hyperinnervations31
- hyperpigmentation34
- hyperpolarization38
- hyperstimulations30
- hyperventilations31
- hypnotizabilities38
- hypochondriacally38
- hypophysectomized47
- hypophysectomizes46
- hyposensitization35
- idiosyncratically31
- ignominiousnesses26
- illusionistically28
- illustriousnesses22
- immunochemistries33
- immunocompetences38
- immunocompromised38
- immunofluorescent34
- immunogenetically35
- immunogeneticists31
- immunohematologic36
- immunopathologies33
- immunopathologist33
- immunoprecipitate34
- immunoregulations30
- immunosuppressant33
- immunosuppressing35
- immunosuppression33
- immunosuppressive36
- immunotherapeutic34
- impecuniousnesses30
- impersonalization35
- imponderabilities29
- importunatenesses26
- impressionability30
- improvisationally32
- inappropriateness28
- incommunicability38
- incomparabilities31
- incompatibilities31
- inconceivableness34
- incongruousnesses27
- inconsequentially37
- inconsiderateness24
- inconspicuousness31
- incorrigibilities27
- indiscriminations27
- indissolubilities25
- individualization36
- indomitablenesses27
- industrialization31
- industriousnesses22
- inefficaciousness32
- informativenesses29
- injudiciousnesses34
- inoffensivenesses30
- inoperativenesses26
- inopportunenesses27
- insolubilizations34
- instantaneousness22
- institutionalised22
- institutionalises21
- institutionalisms24
- institutionalists21
- institutionalized31
- institutionalizes30
- insurrectionaries23
- interassociations22
- intercalibrations26
- intercolumniation28
- intercommunicated33
- intercommunicates32
- intercorrelations23
- intergenerational23