11 letters
- nonreactive20
- nonreceipts19
- observances22
- observation19
- operoseness15
- oppressions18
- othernesses14
- overactions19
- overasserts15
- overcasting21
- overcaution20
- overearnest16
- overexcites25
- overexposes25
- overintense17
- overoperate18
- overpassing21
- overpraises18
- overprecise21
- overprocess21
- overstories15
- overstrains16
- oversweeten19
- overtnesses16
- pacesetters17
- pantdresses16
- parasitoses14
- parentheses17
- parenthesis17
- passiveness19
- pasteurises15
- pastinesses15
- patisseries14
- patronesses15
- pearlescent19
- peasantries15
- peashooters16
- pederasties15
- pedestrians16
- peevishness21
- pejoratives27
- penetrances19
- penetrative19
- pensiveness20
- pentarchies20
- percentages20
- percentiles19
- perceptions21
- percolation19
- percussions19
- perfections21
- perfectives24
- perfectness21
- peristalses15
- perkinesses19
- permeations18
- perorations15
- perovskites22
- persecutees18
- persecution19
- persecutive22
- perseverate18
- persistence18
- persistency20
- personalise16
- personalist16
- personation16
- personative19
- personators15
- perspective24
- persuasions16
- pertinences19
- perversions19
- pestilences19
- pettinesses15
- pianofortes18
- pinocytoses20
- piteousness16
- plasticenes19
- portionless16
- postdivorce22
- postseasons15
- pratincoles19
- preachiness20
- precautions19
- precessions18
- preciseness18
- preconceive25
- predeceases18
- predestines16
- preelection19
- prefascists20
- prelections19
- premoistens18
- presciences21
- presentence19
- presentisms18
- presentness16
- presweetens18
- pretensions16
- prevalences23
- preventions20
- preventives23
- priestesses14
- primenesses18
- privateness19
- proboscises20
- processions18
- procreation18
- procreative21
- professions18
- prognostics20
- projections27
- pronenesses16
- propionates18
- prosecution19
- prosinesses15
- prospective24
- protections18
- proteinases15
- provenances23
- provenience23
- providences23
- provocation22
- provocative25
- psittacoses17
- putrescines19
- rapidnesses16
- reaccession18
- readinesses13
- reassertion12
- recessional16
- recompenses21
- reconceives22
- recreations15
- reedinesses13
- reelections16
- reinspected19
- relevancies20
- relocations16
- renovations17
- reoperation15
- repentances19
- repleteness16
- repositions15
- repressions15
- reprocesses17
- resentences16
- reservation16
- resistances15
- resorptions15
- responsions16
- restiveness16
- retinoscopy20
- revanchists21
- revelations17
- revocations19
- riotousness13
- rockinesses19
- roominesses15
- salesperson16
- sarcoidoses15
- scorpaenids19
- scrappiness21
- secondaries16
- secretaries14
- senatorship17
- separations15
- septenarius16
- sergeancies17
- sergeanties14
- serjeanties21
- serpentines16
- servantless17
- servileness17
- severalties16
- sincereness16
- snapshooter17
- sniperscope21
- soapinesses15
- sootinesses12
- sparenesses15
- specialness19
- speciations18
- spermacetis20
- spessartine15
- spessartite14
- spirochaete19
- spirochetes19
- spoonerisms18
- starchiness17
- statoscopes17
- stavesacres18
- steepnesses15
- stereoscope17
- stereoscopy19
- streakiness16
- streetscape17
- stripteases14
- supersonics19