10 letters
- tretinoins12
- trialogues14
- triathlons14
- tribulates15
- tribunates15
- tricotines14
- triennials13
- trienniums16
- trifoliate14
- trifoliums18
- trigeminal17
- trilobites14
- trinomials15
- trisection14
- triskelion16
- tristearin11
- triticales14
- triunities12
- truantries12
- tularemias15
- turbinates15
- turmoiling18
- turnstiles13
- turntables16
- tutelaries12
- uintahites14
- ulceration16
- ultimacies18
- ultimating18
- ultraistic15
- ultrasonic16
- unartistic15
- unifoliate16
- uniformest18
- unmanliest17
- unmilitary18
- unmorality18
- untimelier16
- uraninites13
- urbanities15
- ureotelism15
- urinations13
- urogenital15
- urtication15
- utopianism18
- vanitories15
- ventilator16
- vermilions19
- womanliest18