10 letters
- sournesses12
- staircases13
- stannaries12
- stationers11
- statuaries11
- stentorian12
- straitness11
- stratifies13
- striations11
- strictness14
- suctorians15
- sunscreens16
- surfactant18
- sustainers12
- sustenance16
- tanistries11
- tarnations12
- tartnesses11
- tautnesses12
- tearstains11
- tenacities14
- tenantries12
- tensioners12
- tesseracts13
- tessituras11
- testaceous14
- testifiers13
- tetracaine14
- tininesses12
- tinnituses13
- titanesses11
- transfects17
- transfuses15
- transience15
- transients12
- transition12
- transsonic15
- tretinoins12
- tricotines14
- trisection14
- truncation16
- trustiness12
- turnstones13
- tutoresses11
- unartistic15
- uneasiness13
- unfairness16
- uninterest13
- unitarians13
- unsafeties15
- unstresses12
- uraninites13
- urinations13
- urtication15
- utterances15