11 letters
- contrabands20
- contractile19
- contraction19
- contraption19
- contrarians16
- contrariety17
- contributed20
- contributor19
- controlment20
- conurbation20
- convertibly25
- coordinated17
- coordinates16
- coordinator16
- coplanarity21
- cordilleran18
- cordwainery21
- corporality20
- corporately20
- correlating18
- correlation16
- counterraid17
- craniometry20
- crenelation17
- crenulation18
- ctenophoran21
- cyanohydrin23
- cybernation21
- deactivator19
- debarkation20
- decantation17
- decapitator18
- decarbonate19
- declamation20
- declamatory21
- declaration17
- declaratory18
- declination18
- decollation18
- decorations16
- defalcation20
- defloration17
- dehydration18
- delectation17
- demarcation19
- denigratory17
- denominator17
- denotations14
- deportation16
- desalinator14
- detonatable17
- detonations14
- detractions16
- dicotyledon20
- dictatorial16
- dilatometry18
- directional17
- directorate15
- directorial16
- doctrinaire16
- doctrinally20
- educational18
- elaborating18
- elaboration16
- embrocation21
- enamoration16
- endocardial18
- endocytotic21
- endotrophic21
- eradication16
- eradicators15
- erratically18
- erythorbate18
- ethnobotany20
- exhortation21
- exhortatory22
- foolhardier18
- fractionate18
- gerontocrat17
- gradational16
- habilitated18
- hairbreadth19
- halocarbons21
- handwritten19
- harebrained18
- hectoringly22
- hedonically22
- heterolytic19
- hibernacula22
- hibernation18
- hibernators17
- hinterlands17
- hornblendic23
- hortatively20
- hydralazine27
- hydrocarbon23
- hydrometric22
- hydrostatic19
- hydrotropic22
- hyperboloid23
- hypocentral23
- icosahedral18
- icosahedron18
- inalterably19
- incantation17
- incantatory18
- incarnadine18
- incarnation17
- incinerator16
- incorporate18
- incorporeal19
- incorrectly21
- indentation15
- inenarrable17
- inhabitancy23
- intentional15
- interactant16
- interaction16
- interannual16
- interbranch21
- intercalary18
- intercalate16
- intercooler16
- intercostal16
- intercounty19
- interdental15
- interdictor16
- interlunary17
- internality16
- interracial16
- interrobang18
- interschool18
- interstrand14
- intertribal16
- intolerably19
- intolerance17
- intractable19
- intractably21
- intradermal17
- intraocular17
- intrathecal18
- intricately18
- ironhearted15
- irradicable19
- irradicably21
- irrevocably24
- italianated14
- itinerantly16
- labiodental18
- labradorite16
- lacerations16
- lachrymator22
- lactational17
- lamentation17
- lanthanides17
- libationary18
- libertarian16
- linerboards17
- lingonberry21
- lionhearted16
- lycanthrope23
- maledictory21
- mandarinate17
- mandatorily19
- matriarchal20
- methanation18
- methylation20
- motherboard20
- narrational14
- narratively19
- narratology17
- nationality16
- neanderthal17
- negotiatory16
- nematocidal20
- neocortical19
- nomenclator20
- nonabstract19
- nonadjacent27
- nonanalytic20
- nonanatomic20
- nonaromatic19
- nonathletic19
- nonattached19
- nonattender15
- nonauditory17
- nonbotanist17
- noncabinets20
- nonchalance23
- noncoherent19
- noncontract20
- noncoplanar21
- nonculinary21
- nondiabetic20
- nondramatic20
- nonelection18
- nonharmonic22
- nonidentity17
- nonintegral17
- nonirritant14