11 letters
- designating18
- designation16
- designative19
- designators15
- designatory17
- destination14
- determinacy21
- determinant17
- determinate16
- detonatable17
- detonations14
- devotionals18
- dextranases20
- diagonalize25
- dictionally20
- diffusional21
- dimensional18
- directional17
- discernable20
- disciplinal21
- disseminate16
- dissonances17
- dissonantly17
- divinations18
- doctrinaire16
- doctrinally20
- dominations17
- duennaships20
- dynamically25
- dynamometer21
- dynamometry23
- educational18
- effeminates21
- eliminating19
- elimination17
- eliminative20
- eliminators16
- embryonated21
- emmenagogue23
- emotionally19
- enamelwares19
- enamoration16
- enantiomers16
- entomofauna20
- erosionally16
- eternalized23
- eternalizes22
- eternalness14
- ethionamide18
- euthanasias15
- euthanatize24
- evagination19
- examination23
- exceptional26
- expansional24
- explainable27
- explanation24
- explanative27
- explanatory25
- extensional21
- exterminate22
- externalise20
- externalism23
- externality22
- externalize29
- factionally22
- fanatically22
- fanaticisms21
- fanaticized28
- fanaticizes27
- fanfaronade20
- farinaceous19
- fascinating21
- fascination19
- fascinators18
- fashionable21
- fashionably23
- festinately18
- festinating18
- fictionally22
- financially23
- fingernails19
- fissionable19
- fluorinated18
- fluorinates17
- fortunately19
- fractionate18
- fraternally19
- fulminating23
- fulmination21
- funambulism27
- funambulist24
- functionary22
- gasconaders18
- gasconading21
- geminations18
- germinating20
- germination18
- germinative21
- gestational15
- gingersnaps20
- glucokinase23
- glutaminase19
- glycerinate20
- gnatcatcher22
- gonadectomy23
- governances22
- gradational16
- granadillas17
- gynaecology24
- hallucinate20
- halogenated18
- halogenates17
- hemodynamic26
- hereinabove21
- hereinafter17
- hexagonally27
- hexokinases25
- hibernacula22
- hibernating20
- hibernation18
- hibernators17
- histaminase17
- homogenates19
- hydrogenase19
- hydrogenate19
- hyphenating24
- hyphenation22
- illuminable22
- illuminance22
- illuminants19
- illuminated19
- illuminates18
- illuminator18
- illusionary17
- imaginaries17
- imaginarily20
- imagination18
- imaginative21
- impersonate18
- importunate19
- impregnable24
- impregnably26
- impregnants21
- impregnated21
- impregnates20
- impregnator20
- inabilities16
- inactivated20
- inactivates19
- inadvertent18
- inadvisable21
- inalienable18
- inalienably20
- inalterable17
- inalterably19
- inanenesses14
- inanimately19
- inappetence22
- inaptitudes17
- inaptnesses16
- inattention14
- inattentive17
- inaugurated17
- inaugurates16
- inaugurator16
- inauthentic19
- incarnadine18
- incarnating19
- incarnation17
- inclination18
- inconsonant18
- incriminate19
- incunabulum26
- indefinable21
- indefinably23
- indignantly20
- indignation17
- inenarrable17
- inseminated17
- inseminates16
- inseminator16
- insertional14
- intensional15
- intentional15
- interlunary17
- internalise14
- internality16
- internalize23
- intonations14
- intuitional15
- invaginated20
- invaginates19
- iodinations14
- irrationals13
- isocyanates17
- italianated14
- italianates13
- journaleses23
- journalisms26