9 letters
- tonsillar12
- tonsorial11
- topiaries12
- tornillos12
- torsional11
- tragopans15
- trainload12
- traipsing15
- tranships15
- transpose13
- transship15
- traplines14
- trillions12
- trinomial14
- triplanes14
- triploids14
- troilisms13
- troopials13
- troponins14
- troupials14
- uprootals14
- variation14
- violation15
- violators14
- volitions15
- wistarias12