10 letters
- polychrome24
- polyesters16
- polyhedron20
- polyhistor18
- polyphenol23
- polyphones22
- polytenies17
- polythenes19
- potholders17
- poulterers15
- precedents18
- precensors17
- precentors17
- preceptors19
- preceptory21
- precollege20
- preconcert20
- preelected18
- preerected17
- preference20
- preheaters15
- prehensile17
- prehistory17
- prelection18
- prepensely20
- prepotency22
- prerelease14
- preschools19
- prescreens17
- preselects17
- presentees14
- presenters14
- presweeten17
- pretenders15
- preventers18
- princelets18
- procaryote18
- procreates16
- projectors25
- prolongers17
- pronatores14
- pronephros19
- propellent19
- propellers18
- propellors18
- propylenes20
- prosectors16
- prosecutor17
- proselyted17
- proselytes16
- prospector19
- protectors16
- protectory18
- protostele14
- pycnometer22
- pyrethrins18
- pyrometers18
- receptions17
- rechristen16
- recollects18
- recompense20
- recontours15
- reconverts18
- recounters15
- rectorship18
- redolences16
- redolently16
- reelection15
- reenforces17
- reenrolled14
- reenthrone14
- reexplores21
- references17
- reflectors17
- relentless13
- relocatees14
- rencontres15
- reoperates13
- repellants16
- repellency21
- repellents16
- repletions15
- reportedly17
- repository15
- reprehends17
- represents14
- reproaches18
- reschooled17
- rescreened15
- resentence15
- resolutely15
- resorcinol15
- resorption14
- respecters16
- responsory16
- retouchers16
- retrenched17
- retrenches16
- retrocedes14
- retrospect16
- reverences18
- reverently18
- rheometers15
- rhinoceros16
- rhinoscopy21
- ritornello13
- rocketeers17
- screenplay20
- selenology17
- sheepberry20
- sheepcotes18
- shellproof20
- shelterers13
- shoehorned16
- shorefront16
- shorteners13
- shorthorns15
- southerner14
- spectrally20
- speleology19
- sperrylite16
- spirochete18
- spleenwort18
- splotchier19
- sporophyll22
- sporophyte20
- stenciller16
- stereology15
- stereotype15
- stonecrops17
- syncopator19
- technology21
- telecourse15
- telephoned18
- telephoner17
- telephones17
- telephonic20
- telephotos16
- telescoped18
- telescopes17
- teliospore14
- terpineols15
- terpolymer19
- terreplein15
- thiophenes18
- threepence19
- threepenny19
- threescore15
- tocopherol19
- tolerances15
- tonelessly15
- topnotcher19
- touchholes19
- tracheoles16
- treehopper18
- treponemes17
- trochlears16
- typhlosole19
- upholstery19
- wheelhorse18
- xerophytes24
- xylophones26