11 letters
- relocations16
- reluctation17
- remittances18
- remonstrate15
- remunerator16
- reoperation15
- reparations15
- repatriates14
- replicators18
- reportorial15
- reputations16
- restimulate16
- restoration12
- reticulates16
- retractions15
- retranslate13
- retroaction15
- salinometer16
- scopolamine22
- secretarial15
- secretariat14
- seminatural17
- sempiternal19
- speculation20
- sporulation17
- streamliner16
- superaltern17
- supernormal20
- temerarious15
- temporaries17
- terminators15
- terrestrial12
- terricolous16
- tetracaines15
- tetramerous15
- tetrasporic17
- tolerations13
- tonometries15
- tourmalines17
- trampoliner19
- trampolines19
- translocate16
- transpierce18
- transportee15
- transporter15
- treponemata18
- triceratops17
- ulcerations17
- ultramarine17
- ultrasecret16
- urinometers16