11 letters
- petitionary17
- petitioners15
- pictorially21
- piratically21
- plaintively23
- planarities16
- planetoidal18
- plantations17
- platyrrhine20
- plenipotent20
- polarimeter18
- polarimetry20
- pollinating20
- pollination18
- portability20
- postnatally19
- potentially19
- potentillas17
- potteringly20
- praetorians15
- prattlingly21
- preallotted17
- prelibation19
- preliminary21
- preliterary17
- preliterate15
- prenominate19
- preparation18
- prepotently21
- preterminal19
- pretraining18
- pretreating17
- prevalently23
- proletarian16
- proletariat15
- proliferate18
- prominently22
- proteinuria16
- protractile18
- rallentando16
- ratatouille14
- ratiocinate15
- rationalise13
- rationalist13
- rationality15
- rationalize22
- rattlebrain16
- reactionary17
- realization22
- reallotting16
- realpolitik20
- reanimation16
- reattaining15
- recantation16
- rectilinear16
- reenrolling17
- reincarnate16
- reinflation17
- reinsertion13
- reiterating14
- reiteration12
- rentability18
- reoperating17
- reoperation15
- reorientate12
- reorienting15
- repanelling20
- reparations15
- repartition15
- repatriated15
- repatriates14
- repentantly19
- repetitions15
- replication19
- reradiation13
- resiliently16
- respiration15
- retailoring15
- retaliating15
- retaliation13
- retaliative16
- retaliatory14
- retardation13
- retinopathy19
- retrainable16
- retranslate13
- sartorially15
- septentrion16
- spontaneity18
- storyteller15
- teleporting18
- teleprinter16
- temporality20
- temporarily20
- termination16
- territorial12
- tetanically19
- tetraploidy18
- titanically19
- tonetically19
- tortellinis14
- traditional14
- trailerable16
- trailerites12
- trampoliner19
- transalpine17
- transiently16
- translation14
- translatory15
- transparent16
- transportee15
- trepanation16
- trepidation16
- treponemata18
- triennially17
- triliterals13
- trinitarian13
- tripletails16
- uniparental18
- ventilation18
- ventilatory19