11 letters
- testimonial16
- testimonies15
- tetrachords17
- theorematic19
- thermionics20
- thermistors16
- thermostats16
- thermotaxis23
- thiaminases17
- thimerosals17
- thiocyanate19
- thirstiness14
- thorianites14
- threadiness15
- threnodists15
- thriftiness17
- throatiness14
- thyroiditis16
- timocracies20
- tracheotomy21
- tragicomedy22
- trajections24
- transection16
- transitions13
- transmitted16
- trepidation16
- trichinoses17
- trichinosis17
- trichocysts21
- trichogynes21
- trichomonad21
- trichromats19
- trisections15
- tristearins12
- trochanters17
- tryptamines20
- tyrannicide19
- tyrocidines18
- tyrosinases14
- tyrothricin19
- uncommitted23
- urtications16
- vindicators20
- vindicatory22
- vineyardist19
- wainscotted19