11 letters
- crepitating20
- crepitation18
- criticaster17
- crocidolite19
- crocodilian20
- cryptogenic25
- cryptologic25
- ctenophoran21
- ctenophores20
- cyproterone20
- cytogenetic22
- decelerator16
- deceptional20
- deciphering23
- decorticate18
- decrepitate18
- delectation17
- deportation16
- deprecating21
- deprecation19
- depreciator18
- dereliction17
- deteriorate12
- diaphoretic20
- directional17
- directorate15
- directorial16
- doctrinaire16
- econometric21
- ectomorphic25
- ectothermic22
- ectotrophic22
- egocentrics20
- egotistical17
- eigenvector21
- electioneer16
- electorates15
- electrician19
- electricity20
- electrocute19
- electrogram20
- electronics19
- electrotype20
- elephantine19
- elicitation16
- elutriating16
- elutriation14
- encipherers20
- enciphering23
- encroachers20
- encroaching23
- endotrophic21
- enterococci21
- enterocoele16
- enterocoels16
- enteropathy19
- enteroviral17
- enterpriser15
- entertainer13
- epeirogenic20
- epithelioma20
- epithetical20
- erotization21
- espaliering18
- esthetician17
- ethereality16
- ethnologies17
- ethnologist17
- ethological20
- etiolations13
- etiological18
- exceptional26
- excoriating24
- excoriation22
- exhortation21
- expectation25
- expectorant25
- expectorate24
- explicating28
- explication26
- exploration23
- exportation22
- extirpating24
- extirpation22
- extortioner19
- extricating24
- extrication22
- felicitator18
- fetoprotein18
- flichtering23
- gametophore21
- garnierites14
- gastrotrich18
- geanticline19
- generalizer24
- generalship20
- genotypical23
- geochemical25
- geometrical20
- geopolitics20
- geostrophic21
- geotectonic20
- gerontocrat17
- glauconitic22
- glutathione18
- glycerinate20
- gnatcatcher22
- goitrogenic19
- goniometric20
- governorate18
- granitelike19
- granolithic20
- granophyric24
- grapholects22
- graptolites17
- greengrocer19
- greenhearts16
- greenmailer18
- greenockite21
- haecceities19
- hagioscopic24
- haircutting20
- haptoglobin23
- heartstring16
- hectoliters17
- hectoringly22
- helicopters20
- helicopting23
- heliometric20
- heliotropes17
- heliotropic20
- hematologic22
- hemopoietic22
- hemoprotein20
- hepatotoxic26
- hereinafter17
- herpetology21
- heteroclite17
- heterocycle22
- heterogonic19
- heterograft18
- heterolytic19
- heterophile19
- heteroploid18
- heterotopic19
- heterotroph18
- heterotypic21
- holographer21
- holographic24
- homeporting22
- hypercritic24
- hypocentral23
- iconography24
- ideographic22
- impetrating20
- impetration18
- importation18
- imprecating23
- imprecation21
- impregnator20
- incarcerate18
- incinerator16
- incoercible22
- incoherence21
- incorporate18
- incorporeal19
- incorrectly21
- infiltrator16
- inheritable18
- inheritance18
- inoperative19
- integrality17
- integration15
- integrative18
- integrators14
- intemperate18
- interacting18
- interaction16
- interactive19
- interatomic18
- intercalate16
- intercepted19
- intercepter18
- interceptor18
- interchange20
- intercooler16
- intercostal16
- intercouple20
- intercrater15
- interdealer14
- interdictor16
- interethnic18
- intergrowth19
- interjector24
- interlacing19
- interlinear14
- interlopers16
- interloping19
- interparish17
- interpolate16