10 letters
- striations11
- strictness14
- stridently15
- stringiest13
- stringless14
- stronghold17
- studhorses14
- sturdiness13
- subeditors15
- subsistent15
- subsoilers15
- subtilties15
- sultriness13
- synthesist15
- tanistries11
- tarbooshes15
- tendonitis13
- tendrilous14
- tenebrists14
- terebinths16
- thecodonts17
- thelitises13
- theodolite14
- theorising15
- thirstiest12
- thistliest13
- tholeiites13
- thorianite13
- thorniness14
- threnodies14
- threnodist14
- thresholds16
- thriftless16
- thromboses18
- thrombosis18
- tidinesses12
- toadstones12
- toiletries11
- toleration12
- toluidines14
- tombstones17
- tonalities12
- tormentils15
- torosities10
- torridness12
- tortellini13
- traditions12
- trashiness13
- tretinoins12
- triathlons14
- tricotines14
- trihedrons14
- trillionth15
- trilobites14
- trisection14
- triskelion16
- tritheisms15
- tritheists12
- trombonist17
- trustiness12
- turbidites15
- turbidness16
- turnstiles13
- undershoot15
- visionless16
- worthiness16
- zitherists21