9 letters
- irrigates11
- irritants10
- irritated10
- irritates9
- isolation11
- isooctane13
- iterating12
- iteration10
- itinerant11
- itinerary12
- itinerate10
- karateist13
- kenotrons15
- keratitis13
- laniaries11
- latinizes20
- lazaretto19
- lenitions12
- lineation12
- lionizers20
- literator10
- maintains14
- manifesto16
- mannerist14
- marinates13
- martinets13
- mentation14
- metatarsi12
- metazoans22
- ministate13
- misorient13
- monazites22
- monitions14
- monotints14
- monzonite23
- moratoria12
- mortifies15
- motioners13
- motorizes21
- nanotesla12
- nanowatts14
- narcotize22
- narraters10
- narrating13
- narration11
- narrative14
- narrators10
- narrowest13
- natations11
- natatoria10
- nationals12
- natrolite11
- nattering13
- nattiness11
- nefarious14
- negations13
- negatrons13
- negotiant13
- nervation15
- neutrinos12
- nicotiana14
- nicotines14
- nitrating13
- nitration11
- nitrators10
- nitrifier13
- nitrifies13
- nitrogens13
- nizamates22
- nominates14
- nominator14
- nonaction15
- nonactors14
- nonanswer15
- nonartist11
- nonentity14
- nonerotic14
- nonextant19
- nonfactor17
- nonfarmer17
- nonfinite15
- nonfrozen24
- noninsect15
- nonjoiner21
- nonlinear13
- nonnative16
- nonowners15
- nonperson15
- nonprofit17
- nonrioter11
- nonsaline13
- nonsigner14
- nonskater15
- nontarget13
- nontariff17
- nontheist13
- nonunions14
- nonvoters15
- nonwriter14
- noontides12
- noontimes14
- northeast12
- northerns13
- notarized20
- notarizes19
- notations11
- notifiers13
- notoriety12
- novations15
- novitiate14
- nutations12
- nutrients12
- nutrition12
- obstinate13
- obtainers13
- ointments14
- onanistic14
- onionskin16
- operation13
- operators12
- oralities10
- orangiest12
- oratories9
- oratorios9
- oratrices12
- ordainers11
- ordinates11
- organiser12
- organizer21
- organizes21
- organzine22
- orientals11
- orientate10
- orienting13
- originate12
- ornaments14
- orneriest10
- ornithine13
- osteomata12
- ostiaries9
- ostinatos10
- ostracize21
- overtrain14
- ozonating22
- ozonation20
- ozonising22
- ozonizers28
- paintiest13
- panettoni14
- parotitis12
- partition13
- partizans22
- pastorate12
- patentors13
- patinates13
- patinizes22
- patooties12
- patronise13
- patronize22
- petitions13
- pinafores16
- pointiest13
- portraits12
- posterior12
- potations13
- prenotion14
- pretorian13
- pretrains13
- priorates12
- profaners16
- profiters15
- pronation14
- pronators13
- proration13
- prostrate12
- protestor12
- protistan13
- protonate13
- protostar12
- radiation11
- radiators10
- raffinose16
- raincoats13
- rainproof16
- rainstorm13
- rainwater13
- ratifiers12
- rationale11
- rationals11
- rationing13
- ratooners10
- ratooning13
- ratteners10
- rattening13
- rattooned11
- reactants13
- reactions13
- reanoints11
- reasoning13
- reattains10