10 letters
- stationers11
- statistics13
- staunchest17
- stickiness18
- stockiness18
- stockinets18
- stonechats16
- straitness11
- stratifies13
- striations11
- strictness14
- stuffiness18
- stultifies15
- subsection18
- subsistent15
- substances18
- substation15
- succession18
- succinates18
- suctorians15
- sufficient21
- suffocates20
- sulfonates16
- suspicions18
- sustainers12
- tanistries11
- tautnesses12
- tectonisms17
- tenacities14
- tessituras11
- testaceous14
- tinnituses13
- titanesses11
- tonalities12
- tonicities14
- touchiness17
- transfects17
- transfuses15
- tricotines14
- trisection14
- trustiness12
- uintahites14
- unartistic15
- unassisted13
- unifoliate16
- unsafeties15
- unstitches17
- urtication15
- ventifacts21