12 letters
- elicitations17
- encrustation18
- endoskeletal20
- entablatures18
- entanglement21
- entertainers14
- entertaining17
- equalitarian24
- equitability28
- establishers18
- establishing21
- excitability28
- excogitating27
- excogitation25
- excogitative28
- exercitation23
- exhortations22
- exorbitances26
- exorbitantly26
- expectancies29
- expectations26
- experimental27
- explantation25
- exploitation24
- exploitative27
- exportations23
- extraditable24
- extralimital24
- extramarital23
- facilitating22
- facilitation20
- facilitative23
- facilitators19
- facilitatory21
- fantasticate19
- fantasticoes19
- fantasylands21
- felicitating22
- felicitation20
- felicitators19
- fermentation20
- fermentative23
- fomentations20
- forecastable22
- forestallers17
- forestalling20
- forestations16
- forestaysail18
- fountainhead21
- fragmentally25
- fragmentated22
- fragmentates21
- freestanding20
- frontalities17
- fundamentals23
- futilitarian18
- gamopetalous22
- geobotanical22
- geobotanists18
- glutaminases20
- glutathiones19
- governmental24
- grandstanded19
- grandstander18
- gravitations19
- guitarfishes20
- habilitating21
- habilitation19
- habitability23
- hamantaschen24
- hantaviruses20
- happenstance25
- hardstanding20
- hemangiomata23
- hereditament19
- hereditarian16
- hereditarily18
- heritability20
- hesitatingly20
- hexobarbital28
- hippopotamus27
- histaminases18
- horizontally28
- hospitalised19
- hospitalises18
- hospitalized28
- hospitalizes27
- humanitarian20
- hydrostatics20
- hypermutable27
- hypostatized29
- hypostatizes28
- ignitability21
- immortalised20
- immortalises19
- immortalized29
- immortalizer28
- immortalizes28
- immutability25
- impartations19
- implantation21
- importancies22
- importations19
- imputability25
- imputatively26
- incantations18
- incapacitate22
- incidentally22
- incommutable27
- incommutably29
- incomputable27
- incomputably29
- inconstantly21
- incrustation18
- indentations16
- indisputable22
- indisputably24
- infestations17
- infotainment21
- ingurgitated19
- ingurgitates18
- inhabitation19
- inheritances19
- inhospitable22
- inhospitably24
- insanitation15
- installation16
- installments19
- instantiated15
- instantiates14
- instauration15
- instrumental19
- intactnesses17
- interactants17
- intercoastal17
- intercostals17
- intermontane18
- interorbital17
- interstadial15
- interstation14
- intravitally21
- invitational19
- invitatories17
- irritability18
- irritatingly18
- irrotational14
- italianating17
- italianising17
- italianizing26
- jactitations25
- judgmentally33
- kickstarting26
- labanotation18
- labiodentals19
- lactalbumins25
- lamentations18
- levitational19
- levorotatory19
- libertarians17
- limitational18
- longstanding21
- maintainable21
- majoritarian25
- managemental23
- manifestants20
- meditatively23
- megavitamins25
- meningiomata22
- merchantable25
- metabolizing31
- metacentrics22
- metacercaria21
- metafictions22
- metagalactic24
- metagalaxies25
- metalanguage22
- metallically24
- metallophone23
- metallurgies20
- metallurgist20
- metalworkers23
- metalworking26
- metamorphism26
- metamorphose23
- metaphorical24
- metaphysical26
- metasequoias25
- metasomatism21
- metastasized25
- metastasizes24
- metathetical21
- metathoraces20
- metathoracic23
- metathoraxes24
- metropolitan20
- microcrystal24
- microhabitat23
- militantness18
- militarising19
- militaristic19