10 letters
- timocratic19
- tinctorial15
- tourmaline16
- tractional15
- tragicomic21
- triclinium19
- trinocular16
- trinomials15
- tuberculin20
- turmoiling18
- ulceration16
- ultrabasic18
- ultrahuman19
- ultramafic21
- ultramicro18
- ultrasonic16
- umbilicate21
- uncritical19
- undramatic19
- unfamiliar19
- unicameral19
- unilocular18
- unmilitary18
- unmorality18
- unromantic19
- urbanistic18
- uricotelic18
- urticarial15
- urtication15
- vaccinator21