10 letters
- excisional22
- excitation21
- extinction22
- extraction21
- exultation20
- facilitate17
- factitious17
- factorials17
- factualist18
- falconries18
- fantastico17
- fasciation17
- fascinator17
- fatalistic17
- fatalities14
- felicitous18
- filtration15
- financiers18
- flauntiest16
- flirtation15
- flounciest19
- fluorinate16
- fornicates17
- fortalices17
- fortuities14
- fractional18
- francolins19
- frictional18
- functional20
- furcations18
- galantines15
- gastrulate14
- gelatinous15
- glaciation17
- glauconite18
- gluconates18
- gluttonies15
- granulates15
- granulites15
- granulitic18
- graticules17
- gratuities13
- gratulates14
- greatcoats15
- guaranties14
- haustorial14
- herniation14
- hesitation13
- historical16
- housetrain14
- iatrogenic16
- ideational13
- idolatries12
- ignorances17
- illustrate13
- inaccurate18
- inactivate18
- inartistic14
- incarnated16
- incarnates15
- incautions16
- incautious16
- inceptions18
- incidental17
- incinerate15
- incitation15
- inclosures16
- inclusions17
- incogitant17
- incognitas17
- inconstant16
- increasing17
- incrusting18
- incubation19
- incubators18
- inculcates19
- inculcator19
- inculpates19
- incunables20
- incurables19
- incursions16
- incurvates19
- indicators15
- inductions17
- induration14
- industrial14
- inebriants15
- infantries15
- infarction18
- infatuates15
- infections18
- infectious18
- infiltrate15
- inflations16
- inflection19
- inflicters18
- inflictors18
- infraction18
- infrasonic18
- infuriates15
- infusorian16
- ingratiate13
- inhalation15
- inhalators14
- initiators11
- injectants24
- injections24
- inoculants17
- inoculated17
- inoculates16
- inoculator16
- inordinate13
- inosculate16
- inpatients15
- insanitary14
- insatiable15
- insecurity17
- insertions12
- insinuated14
- insinuates13
- insinuator13
- insociable18
- insolating15
- insolation13
- insouciant16
- inspection18
- instalment16
- instancies15
- instigator13
- instituter12
- institutor12
- instructed16
- instructor15
- instrument16
- insularity15
- insulating16
- insulation14
- insulators13
- insurances16
- intactness15
- intentions13
- interbasin15
- intercaste14
- interchain17
- interclass15
- interdicts15
- interionic15
- interknits16
- interlaces15
- interlines13
- interlinks17
- interlocal16
- interlocks19
- interlunar14
- internists12
- internodal14
- interocean15
- interplant16
- interpoint15
- interstice14
- intertidal13
- intertills13
- intertrial12
- interunion14
- interzonal22
- intestinal13
- intimaters14
- intolerant13
- intoxicant22
- intoxicate21
- intragenic17
- intranasal13
- intraplate15
- intrastate11
- intravital16
- intrazonal22
- intreating14
- intrigants14
- intriguant15
- introduces16
- introjects23
- introspect17
- intrusions13
- intrusting15
- intubation16
- intuitable16
- intuitions13
- inunctions17
- inundators14
- invariance19
- invariants16
- involucres20
- irrational12
- isentropic17
- isoantigen14
- isocyanate16
- isoleucine16
- italianate12
- italianise12
- iterations11