10 letters
- synoptical20
- tailorings14
- talismanic18
- tamarillos15
- taphonomic22
- tarpaulins16
- thermionic19
- thiaminase16
- thimerosal16
- thiouracil17
- tinctorial15
- tractional15
- trainloads13
- trampoline18
- transpolar15
- triathlons14
- trichinous17
- trimorphic21
- trinomials15
- ultrasonic16
- unactorish17
- unpastoral16
- utopianism18
- variations15
- vicariants18