11 letters
- evaporation19
- exaltations20
- excitations22
- excoriation22
- expatiation22
- expirations22
- explication26
- explicators25
- exploration23
- exportation22
- extirpation22
- extractions22
- extrication22
- facilitates18
- facilitator18
- felicitator18
- filtrations16
- flirtations16
- floatations16
- floriations16
- forestation15
- fortepianos18
- fractionate18
- geopolitics20
- gestational15
- glaciations18
- gracilities17
- graptolites17
- heliotropic20
- impartation18
- imperialist18
- impetration18
- implication22
- importances21
- importation18
- imprecation21
- imprecision21
- inactivates19
- incitations16
- incorporate18
- incorporeal19
- infiltrates16
- ingratiates14
- inoculators17
- insatiately15
- inscription19
- inscriptive22
- insertional14
- inspiration16
- interaction16
- interatomic18
- intercalate16
- intercostal16
- interfacial19
- interplants17
- interpoints16
- interpolate16
- interracial16
- interschool18
- intoxicates22
- intractable19
- intrathecal18
- intricacies18
- intricately18
- intrinsical17
- introspects18
- inviolacies20
- ionospheric20
- ipsilateral16
- irrationals13
- irritations12
- isotonicity17
- italianates13
- italianised14
- italianises13
- italianizes22
- itineration13
- kinetoplast20
- lacerations16
- laciniation17
- lacrimation19
- laicization25
- laparoscope21
- laureations14
- levitations17
- liberations16
- licentiates16
- limitations16
- linearities13
- lipoprotein19
- liposuction20
- lipotropins19
- literations13
- litigations15
- logistician18
- luteotropic19
- luteotropin17
- macerations18
- malposition19
- martensitic18
- mastication18
- materialist15
- melioration16
- melioristic18
- mentalistic19
- metaplastic21
- metrication18
- militancies19
- ministerial16
- miscitation18
- miscreation18
- mislocation19
- molestation16
- mortalities15
- narcoleptic22
- nationalise14
- nationalist14
- necrologist18
- necrophilia21
- necropoleis19
- negotiators14
- neocortical19
- neologistic18
- neophiliacs21
- nitpickiest22
- nonartistic16
- noncapitals20
- nonoperatic19
- nontropical20
- normalities16
- notorieties12
- nyctalopias21
- obstetrical18
- operational16
- optionality18
- optokinetic22
- orientalism16
- orientalist13
- orientation13
- oscillation17
- osteopathic19
- overactions19
- paediatrics18
- palatinates16
- palliations17
- palpitation19
- pancreatins19
- pantheistic20
- pantropical22
- parasitical18
- parliaments19
- parotitises14
- participant21
- participate20
- participial21
- participles21
- particulate19
- partitioned16
- partitioner15
- pastoralist15
- paternalism19
- paternalist16
- paternities15
- patinations16
- patriciates17
- patrilineal17
- patrimonial19
- patrimonies18
- patristical18
- pectination19
- peculations20
- percolating21
- percolation19
- percolators18
- pericranial19
- peridotitic18
- periodicals19
- periodontal17
- periostitis14
- peristaltic18
- peristomial18
- peritonitis15
- perorations15
- personalist16
- personality18
- personation16
- pertinacity20
- petitionary17
- petitioners15
- petrologist17
- pianofortes18
- picrotoxins25
- pilocarpine22
- piscatorial18
- pituitaries15
- pixilations23
- placidities19
- plaistering18
- planarities16
- planimetric22