11 letters
- inflections20
- inflictions20
- information19
- infractions19
- infuriation17
- infusorians17
- ingressions15
- inhalations16
- initializes22
- initialness14
- inscription19
- inseminator16
- insertional14
- insinuators14
- insolations14
- inspections19
- inspiration16
- inspirators15
- inspissated16
- inspissates15
- inspissator15
- insulations15
- intensifier16
- intensifies16
- intensional15
- interfacial19
- interfiling19
- interfusion17
- interisland15
- interloping19
- internalise14
- internalize23
- internships18
- interplants17
- interpoints16
- interposing18
- intrinsical17
- inventorial18
- iodinations14
- ionizations22
- iproniazids25
- ipsilateral16
- irrationals13
- isoantigens15
- italianised14
- italianises13
- italianized23
- italianizes22
- itineration13
- janissaries21
- knifepoints23
- lacerations16
- laciniation17
- laicization25
- laminations17
- laminitises16
- langostinos16
- lastingness16
- laureations14
- liberations16
- linearising16
- linearities13
- linearizing25
- lionization23
- lipoprotein19
- lipotropins19
- listerioses12
- listeriosis12
- literations13
- loftinesses16
- looninesses14
- loosestrife15
- maintainers16
- malposition19
- marinations16
- melioration16
- militarises15
- militarizes24
- ministerial16
- misposition18
- misprisions18
- missionizer24
- missionizes24
- monopolises19
- monopolists19
- monopolizer28
- monopolizes28
- monopsonies19
- nalorphines19
- nationalise14
- nationalism17
- nationalist14
- nationalize23
- naturalises14
- naturalizes23
- naturalness15
- neorealists13
- nitrosamine16
- nominalists17
- nonaspirins17
- noncapitals20
- nonfamilies20
- nonhospital19
- nonmaterial17
- nonoperatic19
- nonpartisan17
- nonpersonal18
- nonplastics20
- nonrational15
- nonseasonal15
- nonsteroids14
- nontemporal20
- nontropical20
- normalities16
- obsessional16
- oceanfronts19
- operational16
- opinionated17
- oppositions18
- oppressions18
- ordinations14
- orientalism16
- orientalist13
- orientalize22
- orientation13
- origination15
- ornamentals17
- oviposition19
- ovipositors18
- ozonization31
- paginations18
- painfulness21
- palliations17
- palmistries18
- pancreatins19
- parasitised15
- parasitises14
- parasitisms17
- parasitized24
- parasitizes23
- parasitoids15
- parasitoses14
- parasitosis14
- parfocalize30
- parliaments19
- parotitises14
- parsimonies18
- passionless16
- passivation19
- passivities18
- pastoralism18
- pastoralist15
- paternalism19
- paternalist16
- patinations16
- patisseries14
- patrilineal17
- patrimonial19
- patrimonies18
- patronesses15
- patronising18
- patronizing27
- peasantries15
- penologists18
- pensionless17
- pentagonals19
- percolation19
- perforation18
- periodontal17
- periostitis14
- peristalses15
- peristalsis15
- peristomial18
- peritonitis15
- permissions18
- perorations15
- personalise16
- personalism19
- personalist16
- personality18
- personalize25
- personating18
- personation16
- personators15
- personifies18
- persuasions16
- philistines18
- photoionize26
- pianissimos18
- pianofortes18
- piscatorial18
- pitifulness20
- pixilations23
- plagiarises17
- plagiarists17
- plagiarizes26
- plainnesses17
- plaistering18
- planarities16
- plantations17