10 letters
- operatives17
- oppressing19
- orangeries13
- organisers13
- organzines23
- orientates11
- orienteers11
- originates13
- ornateness12
- orneriness12
- ornithines14
- ornithoses13
- orogeneses13
- orogenesis13
- orphanages18
- orthoepies15
- ostensoria11
- otherguess15
- outearning15
- outhearing16
- outpassing17
- overeating17
- overhating19
- overnights19
- overseeing17
- oversights18
- ownerships19
- oysterings15
- paltriness15
- panegyrist18
- panettones15
- pangeneses17
- pangenesis17
- pangenetic20
- pansophies19
- pantheisms19
- pantheists16
- paperiness17
- papeteries16
- parathions16
- parentages16
- parentings17
- parentless15
- parsonages16
- partnering17
- passengers16
- passerines14
- passionate14
- pasteurise14
- pastorship18
- patchiness19
- pathogenic21
- patisserie13
- patronages16
- patronised15
- patronises14
- patronizes23
- patterning17
- peashooter15
- pedantries15
- pedestrian15
- penetrance18
- penetrants15
- penetrates14
- penitences18
- pensionary17
- pensioners15
- penstemons18
- pentangles18
- penthouses17
- pepsinogen20
- percentage19
- peregrines16
- perennated16
- perennates15
- perennials16
- periosteal14
- peristomes16
- peritoneal15
- permanents18
- permeating19
- permeation17
- perorating16
- persistent14
- persisting16
- personages16
- personated15
- personates14
- personnels16
- persuasion15
- pertaining17
- pertinence18
- pertnesses14
- pervasions18
- petiteness14
- phantasies16
- phenacetin20
- phenacites19
- phenakites20
- phenazines26
- phenolates17
- phenomenas20
- phenytoins19
- phonations17
- phrensying21
- pigeonites16
- pinfeather19
- pingrasses16
- pinsetters14
- pioneering17
- pipestones17
- pistareens14
- pistoleers14
- plainsongs18
- planishers17
- plastering17
- pliantness16
- poetasters13
- poignances20
- politeness15
- portending18
- porterages15
- portliness15
- posturings17
- praenomens18
- preachiest18
- preassigns16
- precasting19
- precenting20
- precessing19
- precession17
- predations15
- predestine15
- predigests16
- prednisone16
- preeminent18
- pregenital17
- prehearing18
- preheaters15
- preheating18
- prehensile17
- prehension17
- premoisten17
- prenotions15
- preopening20
- prepasting19
- preseasons14
- presentees14
- presenters14
- presenting17
- presentism17
- presentist14
- presetting16
- preshaping21
- preshowing21
- presidents15
- presoaking20
- presorting16
- prestorage15
- pretasting16
- pretending18
- pretension15
- pretesting16
- pretorians14
- prettiness14
- prevenient19
- preventing21
- prevention19
- prewashing21
- preweaning20
- printheads17
- processing19
- professing19
- progestins16
- pronations15
- prophesies18
- prophetess18
- prosecting19
- prostheses15
- prosthesis15
- protamines17
- proteinase14
- protending18
- protensive18
- protesting16
- protistans14
- psalteries14
- purgations17
- rainspouts15
- raptnesses14
- readopting17
- reanointed13
- reappoints17
- reasonings14
- reassigned14
- recensions15
- recentness15
- receptions17
- recognises16
- recoinages16