10 letters
- podiatrist14
- postatomic19
- potometers16
- preachiest18
- preciosity18
- predicates17
- predictors17
- prehistory17
- premeiotic19
- presidiary16
- pretermits16
- priesthood16
- prismatoid17
- procaryote18
- procreated17
- procreates16
- proctodaea17
- prodromata17
- prosthetic18
- prostrated14
- protectors16
- protectory18
- protoderms17
- protracted17
- pyrethroid18
- pyrometers18
- pyrometric21
- pyrrhotite17
- rachitides16
- radarscope17
- radiometer14
- radiometry16
- rapacities16
- ratepayers15
- readership16
- reattached16
- reattaches15
- recomposed20
- rectorates13
- rectorship18
- redemptory19
- redistrict14
- rehydrates15
- reimported17
- repatriate13
- repository15
- reproached19
- reproaches18
- reradiates11
- resmoothed16
- restitched16
- restricted14
- retardates11
- retroacted14
- retrodicts14
- retrospect16
- rheostatic15
- rhytidomes18
- rotameters13
- scriptoria16
- semaphored19
- semitropic19
- septicemia19
- sociometry18
- sociopathy20
- somatotype18
- spermaceti19
- spermicide20
- sphericity20
- spirochete18
- spirometer16
- spirometry18
- stepmother18
- stretchier15
- tachometer18
- tapestried14
- temporised17
- termitaria13
- tertiaries10
- tetrachord16
- tetrahedra13
- tetrameric16
- tetraspore13
- theodicies16
- thermistor15
- threadiest13
- toadeaters11
- tortricids14
- tracheated16
- tracheitis15
- traditores11
- trematodes14
- triarchies15
- trichotomy20
- trichromat18
- trimorphic21
- triradiate11
- yardmaster16