10 letters
- insertions12
- insinuates13
- insinuator13
- insistence15
- insouciant16
- inspective21
- inspectors17
- instancies15
- instigates13
- instigator13
- instituter12
- institutes12
- institutor12
- instructed16
- instructor15
- insulators13
- insurances16
- intactness15
- integrates13
- intensives16
- interacted15
- intercaste14
- intercepts17
- interchain17
- interclass15
- intercross14
- interdicts15
- interfaces17
- interfaith16
- interfuses15
- interjects23
- interlaces15
- internists12
- interocean15
- interphase16
- interposes14
- intersects14
- interspace17
- interstage13
- interstate11
- interstice14
- intervales16
- interviews18
- intestates11
- intestines12
- intimaters14
- intoxicate21
- intradoses12
- intrenches17
- introduces16
- introjects23
- introspect17
- introverts15
- intrusions13
- intrusives16
- invectives22
- inveighers19
- inventress16
- inverities15
- inversions16
- invertases15
- inveteracy20
- inveterate15
- invigorate17
- invitatory17
- involucres20
- iridescent15
- isentropic17
- isobutanes15
- isochrones16
- isocracies16
- isoleucine16
- isometrics16
- isometries13
- isooctanes14
- iterations11
- itinerants12
- itinerated12
- itinerates11
- ivermectin21
- jesuitries20
- juniorates21
- justiciars23
- keratinous16
- kvetchiest23
- lacustrine16
- lanosities12
- larcenists15
- lascivious19
- lentivirus17
- levitation16
- licensures16
- licentiate15
- licentious16
- linearises12
- linecaster15
- literacies14
- literation12
- lustration13
- machinists19
- mainsheets16
- maisonette14
- manicurist18
- manoeuvres19
- manticores17
- marionette14
- martensite14
- masseteric16
- maturities14
- mechanists19
- menstruate15
- metaethics18
- metathesis15
- meteoritic16
- metritises13
- microstate16
- micturates17
- miniatures15
- minicourse18
- ministates14
- miscreants17
- miscreates16
- misentries14
- mishanters16
- misorients14
- misteaches18
- mistouches19
- moisteners14
- moisturise14
- monarchies19
- monarchist19
- monetarist14
- morticians17
- moustaches19
- mucosities17
- muscarines18
- muscovites21
- mustachios19
- narcissist14
- narcotizes23
- nativeness16
- nativistic18
- nativities15
- natrolites12
- naughtiest16
- necropsies17
- nectarines15
- negativist17
- negotiates13
- neorealist12
- nephrotics19
- nepotistic17
- nervations16
- nethermost16
- neuritides13
- neuritises12
- neutralise13
- neutralist13
- newscaster17
- nictitates14
- ninetieths14
- nitrations12
- nomarchies19
- nonartists12
- nonesuches18
- nontheists14
- northeasts13
- northwests16
- nourishers14
- novaculite20
- novelistic19
- novitiates15
- nucleators16
- numeracies18
- nuthatches19
- nutritions13
- nutritious13
- obeisances17
- obituaries14
- obituarist14
- obscurants18
- observance21
- observants18
- obstetrics16
- obtusities14
- octameters16
- octarchies18
- octonaries14
- ocularists15
- olivenites16
- operatives17
- orchestras15
- orchitises15
- organicist16
- orientated12
- orientates11
- originates13
- ornateness12
- ornithines14
- ornithoses13