11 letters
- pedestrians16
- peevishness21
- pendentives21
- penetrances19
- penetrating18
- penetration16
- penetrative19
- pensiveness20
- pentameters18
- peregrinate17
- perennating19
- perennation17
- peripatuses18
- peristalses15
- perkinesses19
- perpetrates17
- perpetuates18
- persecutees18
- persecutive22
- perseverate18
- persevering21
- persistence18
- personative19
- persuasions16
- pertinences19
- pertussises15
- perversions19
- pettinesses15
- pettishness17
- piousnesses16
- piquantness26
- piteousness16
- plainnesses17
- praemunires19
- preciseness18
- predestines16
- preexistent22
- preharvests20
- preliterate15
- premeasures18
- prereleases15
- presentence19
- presentient16
- presentisms18
- presentment19
- presentness16
- pressurised16
- pressurises15
- pressurizes24
- prestressed15
- prestresses14
- presweetens18
- pretensions16
- pretentious16
- pretreating17
- preventions20
- preventives23
- priestesses14
- primenesses18
- privateered19
- privateness19
- proestruses15
- pronenesses16
- prosinesses15
- proteinases15
- prussianise16
- punkinesses21
- pursinesses16
- pursuivants21
- purtenances20
- pushinesses18
- putrescines19
- queernesses22
- quietnesses22
- ranginesses15
- rapidnesses16
- readinesses13
- reasserting14
- reassertion12
- reassessing14
- recuperates18
- reedinesses13
- reengineers15
- reentrances16
- reestimates14
- reexpresses21
- regenerates14
- registrants14
- reinnervate17
- reinsurance17
- reintegrate14
- reinterpret15
- reiterative15
- rejuvenates26
- remunerates16
- renunciates17
- reorientate12
- repatriates14
- repatterned16
- repentances19
- repleteness16
- represented16
- representer15
- repressions15
- reputations16
- rerepeating17
- resentences16
- resentments16
- reservation16
- resistances15
- restaurants13
- restiveness16
- restorative15
- restrainers12
- restressing14
- resuscitate15
- retiredness13
- retirements15
- retransmits15
- revegetates17
- reverential17
- rinderpests16
- rotaviruses16
- runtinesses14
- russettings15
- rustinesses13
- ruttishness15
- saltinesses13
- sandinesses14
- sappinesses18
- saucinesses16
- scantnesses16
- scrutineers16
- seaminesses15
- secretaries14
- seedinesses13
- sensualists14
- sententious14
- separatists14
- septenarius16
- septentrion16
- sequestrate21
- sergeanties14
- seriousness13
- serjeanties21
- serpentines16
- serriedness13
- servantless17
- servileness17
- seventeenth19
- seventieths18
- severalties16
- sharpnesses17
- sheernesses14
- sincereness16
- smartnesses15
- snidenesses14
- soapinesses15
- sorrinesses12
- sparenesses15
- spessartine15
- spessartite14
- spininesses16
- spinnerette16
- splutterers16
- squatnesses22
- staginesses14
- staidnesses13
- stainlesses13
- stalenesses13
- starknesses16
- stateliness13
- steepnesses15
- stepparents18
- stepsisters14
- sternnesses13
- stoninesses13
- stoutnesses13
- strangeness15
- stranguries15
- straplesses15
- streakiness16
- streetscape17
- stripteaser14
- stripteases14
- stuntedness15
- suasiveness17
- suavenesses17
- subservient20
- substantive20
- sultanesses14
- sunninesses15
- superagents18
- superaltern17
- supercenter19
- superelites16
- supergiants18
- superheater17
- superintend18
- superlative20