12 letters
- mifepristone22
- militantness18
- ministration17
- minstrelsies17
- minutenesses18
- misanthropes21
- miscreations19
- misestimates18
- misinterpret19
- misregisters17
- misreporting21
- misrepresent19
- missionaries16
- moderateness17
- modernnesses18
- monoterpenes20
- mountaineers18
- narrownesses17
- nativenesses18
- necessitates16
- neostigmines19
- neuropterans18
- nitrogenases16
- nitromethane19
- nitrosamines17
- nonassertive18
- noninterests15
- nonliterates15
- nonpasserine18
- nonresistant15
- northeastern16
- northeasters15
- omnipresence23
- operationism19
- operationist16
- ordinariness15
- orientalisms17
- orientalists14
- orientations14
- orienteering16
- ornatenesses14
- ornerinesses14
- overestimate19
- paltrinesses17
- pantomimists22
- paperinesses19
- parishioners18
- parkinsonism24
- partitioners16
- parturitions17
- paternosters16
- pectinations20
- penetrations17
- penetrometer19
- penitentiary19
- pensionaries17
- pentamidines21
- peregrinates18
- perennations18
- perestroikas19
- permanencies23
- permutations20
- perpetration19
- persistences19
- personalises17
- personalisms20
- personalists17
- personalties17
- personations17
- personifiers19
- perspiration19
- pertinencies20
- perversities19
- petitenesses16
- petrogenesis18
- pigmentation22
- pliantnesses18
- polarimeters19
- politenesses17
- portlinesses17
- portraitists15
- positiveness20
- postfeminist22
- postmistress18
- posttensions17
- practitioner19
- preadmission20
- predestinate17
- predominates20
- prehistorian18
- prehistories17
- preliterates16
- premeditates19
- premeditator19
- premigration21
- premoistened20
- premonitions20
- premunitions21
- prenominated21
- prenominates20
- prerecession19
- presentation17
- presentative20
- presentiment20
- presentments20
- preservation20
- prestressing18
- pretensioned18
- pretreatment19
- prettinesses16
- priestliness17
- promptnesses22
- propensities19
- propernesses19
- prosperities18
- prostrations16
- proteinurias17
- radiometries16
- randomnesses18
- readmissions17
- reanimations17
- reassertions13
- reassessment16
- reassignment19
- reassumption20
- receptionist19
- recriminates19
- redemptioner20
- reenactments20
- reenlistment18
- reestimating18
- refrainments20
- regeneration16
- registration15
- reimpression19
- reinnervates18
- reinsertions14
- reinspection20
- reintegrates15
- reinterprets16
- reinvestment21
- reiterations13
- remediations17
- remigrations18
- remoistening19
- remonstrance20
- remonstrants17
- remonstrated17
- remonstrates16
- remotenesses16
- remuneration18
- renegotiates15
- reoperations16
- reorientated14
- reorientates13
- repartitions16
- repatriation16
- repatterning19
- repetitional17
- repositories15
- reprehension19
- representing19
- repristinate16
- resensitizes22
- reservations17
- resignations16
- respirations16
- respirometer18
- responsories16
- ressentiment17
- restatements16
- restorations13
- restoratives16
- restrictions16
- retiringness16
- romanticises19
- romanticists19
- rottennesses14
- salinometers17
- sanctimonies20
- segmentation19
- seismometers18
- semanticists19
- semiliterate16
- semiparasite18
- semitrailers16
- sempiternity21
- senatorships18
- sensitometer16
- sensitometry18
- separateness16
- septentrions17
- sinfoniettas17
- sinisterness14
- smithsonites18
- snottinesses14
- solitariness14
- somersetting18
- spectrometer21
- spessartines16