10 letters
- sanitorium15
- saturation12
- saturniids13
- scoutcraft20
- situations12
- solicitant15
- sonication15
- sortitions11
- soundtrack20
- striations11
- suctorians15
- syndicator17
- tacticians17
- timocratic19
- tinctorial15
- titrations11
- tortricids14
- traditions12
- traitorous11
- transition12
- trichinous17
- tricotines14
- trisection14
- truncation16
- tyrocidins17
- ultraistic15
- ultrasonic16
- unactorish17
- unartistic15
- uncritical19
- undercoats16
- undidactic20
- urbanistic18
- urinations13
- urticating17
- urtication15
- victorious18
- vindicator19