10 letters
- pictograph23
- pigeonhole19
- pinfeather19
- pioneering17
- platooning18
- poignances20
- portending18
- porterages15
- portioning17
- portraying18
- praetorian14
- pratincole18
- preachiest18
- preachment22
- precasting19
- precaution18
- precenting20
- precentors17
- preconcert20
- precooking23
- precooling20
- preethical19
- prefinance21
- pregenital17
- prehearing18
- preheating18
- prehension17
- prelecting20
- prelection18
- prenotions15
- prenticing20
- preopening20
- preportion17
- prescoring19
- presenting17
- presorting16
- prestorage15
- pretending18
- pretension15
- pretorians14
- pretrained15
- preventing21
- prevention19
- prewarning20
- preweaning20
- procaryote18
- proceeding20
- procreated17
- procreates16
- procreator16
- proctorial17
- proctoring19
- progenitor16
- prognosing19
- prognostic19
- programing21
- projecting28
- projection26
- prolonging20
- prominence21
- pronations15
- pronatores14
- pronephric22
- pronephroi19
- pronghorns19
- pronouncer19
- propionate17
- prorations14
- prorogated16
- prorogates15
- proroguing19
- prosecting19
- protecting19
- protection17
- proteinase14
- protending18
- provenance22
- pteranodon16
- purtenance19
- radiophone17
- ratcheting18
- rattooning14
- readopting17
- readorning15
- realtering14
- reanointed13
- receipting19
- receptions17
- rechanging21
- recharging20
- recharting18
- rechoosing18
- rechristen16
- recleaning18
- reclothing19
- recognizer25
- recoinages16
- recoloring17
- recounting18
- recovering20
- recreating16
- recreation14
- recrowning20
- rectorship18
- reenacting17
- reengaging18
- reentering14
- reenthrone14
- reentrance15
- reerecting16
- refracting19
- refraction17
- refronting17
- regelating16
- regnancies17
- regrafting18
- regranting16
- regreening16
- regreeting15
- regretting15
- regrooming18
- regrooving19
- regrouping19
- rehearings15
- rehearsing15
- relearning15
- relegating16
- relegation14
- relocating17
- relocation15
- rematching21
- remortgage17
- renaturing15
- rencontres15
- rencounter16
- renegading17
- renography20
- renominate15
- renovating18
- renovation16
- renunciate16
- reopenings17
- reorganize22
- repainting17
- repaneling18
- repapering19
- reparation14
- repatching21
- repentance18
- rephrasing18
- replanting18
- replicator17
- reportages15
- repowering19
- reprinting17
- reproached19
- reproacher18
- reproaches18
- reprobance20
- repugnance21
- reshooting15
- resonating14
- resorption14
- respecting19
- reteaching18
- retouching19
- retracking20
- retracting16
- retraction14
- retraining14
- retreading14
- retreating13
- revocation18
- rhetorical16
- rhinestone14
- rhinoceros16
- ropedancer18
- roughening19
- saprogenic19
- scarpering19
- sceptering19
- seignorage15
- sharpening19
- shortening16
- spirochete18
- sporogenic19
- tangencies17
- tangerines14
- taphonomic22
- telephonic20
- telphering19
- theogonies15
- theologian16
- theophanic21
- threonines14
- tobogganer18
- topnotcher19
- torpedoing17
- toughening19
- transgenic17