11 letters
- piscatorial18
- planarities16
- plantations17
- postcranial19
- pratincoles19
- precautions19
- punctations20
- puritanical20
- quarantines23
- quaternions23
- quinacrines26
- radiolucent18
- rascalities15
- ratatouille14
- ratiocinate15
- rationalise13
- rationalism16
- rationalist13
- rationality15
- rationalize22
- reacquaints25
- realization22
- reanimation16
- reattaining15
- recantation16
- recitalists15
- recitations15
- recitativos18
- reclamation19
- redactional17
- reductional18
- refutations16
- regionalist15
- regulations16
- reinflation17
- reinoculate17
- reinstating15
- relaxations20
- relocations16
- reluctating19
- reluctation17
- renunciates17
- replication19
- reputations16
- resignation15
- restitution13
- restriction15
- retaliating15
- retaliation13
- reticulates16
- retractions15
- reunionists14
- revaluation18
- rickettsial19
- ritualistic16
- romanticise18
- romanticist18
- rotundities14
- ruminations17
- rusticating18
- rustication16
- sacculation20
- salutations14
- sanctuaries16
- sanitations13
- sansculotte17
- saturations13
- saturnalian15
- scintillant18
- scintillate17
- seminatural17
- sensational14
- sinfonietta16
- situational14
- solicitants16
- speculation20
- spiculation20
- staurolites13
- staurolitic16
- stimulation17
- stipulation17
- straitening15
- straitlaced16
- strangulate16
- strategical17
- subnational18
- subrational17
- subtraction19
- supernatant17
- supernation17
- tabulations17
- tantalising16
- tantalizers22
- tenaciously19
- termination16
- testimonial16
- tetracaines15
- theatricals17
- thiouracils18
- thorianites14
- thrasonical18
- tolerations13
- tortellinis14
- tourmalines17
- tournaments17
- trabeations15
- traditional14
- trajections24
- tramontanes16
- tranquilest23
- transacting18
- transaction16
- transalpine17
- transecting18
- transection16
- transfinite16
- transiently16
- transitions13
- translating16
- translation14
- translative17
- translocate16
- translucent18
- transuranic17
- trepanation16
- triangulate16
- tribulation17
- triplicates18
- trisections15
- truncations17
- ulcerations17
- ultrasonics17
- uncastrated17
- uncertainly20
- uncertainty19
- unchristian19
- unclarities17
- ungainliest17
- uninitiates14
- uniparental18
- unpatriotic19
- unrealistic17
- unrealities14
- unreluctant19
- unresistant14
- unrestraint14
- unsolicited18
- unstartling17
- uricotelism19
- urtications16
- utilitarian14
- vacationers19
- vacationist19
- vaticinates19
- vaticinator19
- ventilation18
- ventilators17
- voluntaries18
- voluntarist18
- vulcanisate21