10 letters
- semeiotics16
- seminarist14
- semitropic19
- serrations11
- signiories13
- sonorities11
- sororities10
- sortitions11
- stationers11
- stockinets18
- storminess14
- stramonies14
- striations11
- strictness14
- strictures14
- stringiest13
- strontiums15
- syncretism19
- syncretist16
- tanistries11
- tectonisms17
- terminator14
- terrorisms13
- terrorists10
- thermionic19
- thermistor15
- tonicities14
- tormenters14
- tormentils15
- tormentors14
- torosities10
- torridness12
- tortricids14
- totemistic16
- toxicities20
- traitoress10
- transistor11
- tremolitic17
- tretinoins12
- trickiness18
- tricksiest17
- tricksters17
- tricotines14
- trimesters13
- trisecting16
- trisection14
- trisectors13
- tristearin11
- tritheisms15
- triunities12
- victimises20
- vinosities15
- vorticisms20
- vorticists17
- witticisms19
- worriments17