10 letters
- oratorical14
- orchestral16
- orientally15
- orographic20
- orphically22
- paclitaxel25
- palliators15
- pantograph21
- papergirls19
- papillotes18
- paralytics19
- parametric19
- paraplegia19
- paraplegic22
- parcelling21
- paregorics18
- parentally18
- parritches18
- participle20
- particular18
- pastorally17
- paternally18
- pathetical19
- pathogenic21
- pathologic21
- patriarchs18
- patriarchy20
- patrollers15
- patrolling18
- peculiarly21
- percolator17
- perikaryal20
- peripheral19
- periphytic23
- periphyton21
- perorating16
- petroglyph23
- petrologic19
- phagocytes22
- phagocytic25
- phalaropes19
- pharyngeal21
- phatically22
- phenotypic24
- philatelic20
- phlegmatic24
- phlogopite21
- phonically23
- photically22
- phylactery23
- phyllaries19
- phylloxera26
- pictograph23
- pitchpoled23
- pitchpoles22
- playacting22
- playwright23
- pleiotropy19
- plyometric22
- poetically20
- polychaete21
- polygraphs23
- polyhedral20
- polymathic24
- polyparies19
- polyphagia23
- polyphasic24
- popularity20
- porphyrias20
- porphyries20
- portabella18
- portrayals16
- portraying18
- praetorial14
- praetorian14
- pratincole18
- preceptory21
- preethical19
- prehistory17
- preholiday19
- prelogical20
- premarital17
- prenatally18
- preparator16
- preplacing23
- procaryote18
- proclaimer20
- procryptic24
- proctorial17
- prodigally20
- profligacy24
- profligate19
- pronephric22
- propagable22
- propagated19
- propagates18
- propagator18
- propellant19
- propelling21
- prosperity18
- prothallia17
- protreptic19
- psilophyte21
- pyrethroid18
- pyrometric21
- pyrophoric23
- pyrrhotite17
- radiograph18
- rappelling21
- rationally15
- reallocate15
- reapplying22
- recharting18
- reciprocal20
- reclothing19
- rectorship18
- regionally17
- regularity16
- regulatory16
- relational13
- relocating17
- renography20
- reparation14
- repatching21
- replicator17
- rhetorical16
- rigamarole16
- salicylate17
- saprophyte20
- sarcophagi20
- sclerotial15
- serigraphy19
- societally17
- spectrally20
- splotchier19
- sterically17
- tallyhoing19
- telegraphy20
- temporally20
- theatrical16
- thetically19
- theurgical19
- topography22
- tracheolar16
- tracklayer20
- tragically19
- trichogyne20
- trichology20
- trierarchy17
- triglyphic23
- trigonally17
- trigraphic20
- trilateral12
- trochlears16
- trolleying17
- tropically20
- typographs22
- typography24
- ulteriorly15
- vacillator19
- variegator16
- vertically21
- vortically21
- vorticella19
- xerography26
- xerophytic27