11 letters
- persecution19
- persevering21
- persistence18
- personalise16
- personalist16
- personality18
- personalize25
- personating18
- personation16
- personative19
- personators15
- pertinences19
- pestilences19
- petitioners15
- petrologies17
- petrologist17
- petulancies20
- phagocytose23
- phenacetins21
- pheneticist20
- phenocopies23
- phenologies20
- philanderer19
- phlogistons20
- phlogopites22
- phonogramic25
- phonologies20
- phonologist20
- phonotactic23
- photometers19
- photometric22
- photoresist16
- photosetter16
- photostatic19
- phraseology21
- phycologies24
- phycologist24
- phylogenies22
- phytosterol19
- pianofortes18
- pictographs24
- pigeonholed21
- pigeonholer20
- pigeonholes20
- pinfeathers20
- plaistering18
- planchettes21
- plangencies22
- planimeters19
- planisphere21
- plasterings18
- plasticenes19
- platyrrhine20
- plecopteran22
- pleochroism23
- polarimeter18
- polariscope21
- pollinators17
- poltergeist17
- polychaetes22
- polygenetic23
- portamentos18
- porterhouse17
- portionless16
- portraiture15
- postcollege21
- postconcert21
- postcranial19
- posteriorly17
- postorbital18
- postulating19
- postulation17
- potentiates15
- potentiator15
- potentillas17
- potlatching23
- potshotting19
- potteringly20
- praelecting21
- praetorians15
- praetorship19
- pratincoles19
- preachiness20
- preachingly25
- preachments23
- prearranges17
- preaverring21
- precautions19
- precensored19
- precleaning22
- preclearing21
- precolleges21
- precolonial20
- preconcerts21
- precreasing20
- predoctoral19
- preelecting21
- preelection19
- preelectric21
- preenacting21
- preerecting20
- preexistent22
- prefrontals19
- pregnancies21
- prehearings19
- prehistoric19
- prelections19
- preliterary17
- preliterate15
- preordering18
- preportions18
- preregister16
- prerogative20
- preromantic21
- preschooler20
- presciently21
- presentable19
- presentient16
- prestorages16
- pretentious16
- preterminal19
- pretreating17
- prevalences23
- princeliest19
- probationer18
- procaryotes19
- proceedings21
- proclaimers21
- proconsular20
- procreating20
- procreation18
- procreative21
- procreators17
- procrustean19
- proctorship22
- procuration19
- procurators18
- profiterole18
- profligates20
- progenitors17
- progestogen19
- proglottids18
- prognathism22
- prognathous20
- prognostics20
- progression17
- projectiles27
- projections27
- prolegomena21
- proletarian16
- proletariat15
- proliferate18
- prophetical23
- propionates18
- propraetors17
- proprietors17
- prorogating19
- prorogation17
- prosecuting21
- prosecution19
- proselyting20
- prosobranch23
- prospecting23
- prosthetics19
- prostrating17
- prostration15
- protagonist17
- protectants18
- protections18
- protectoral18
- protectress17
- proteinases15
- proteolytic20
- prothoraces19
- prothoracic22
- prothoraxes23
- protocoling21
- protonating18
- protopathic22
- protoplanet19
- protosteles15
- protostelic18
- protractile18
- protracting20
- protraction18
- protractive21
- protractors17
- protreptics20
- purgatories17
- pyrrhotites18
- radiophones18
- reaccepting23
- reallotting16
- reapportion18
- rearresting14
- reasserting14
- reassertion12
- reassorting14
- reattaching19
- recapturing21