10 letters
- sectarians14
- sectionals15
- semeiotics16
- seminaries14
- seminarist14
- semitropic19
- senhoritas13
- serrations11
- siltations12
- situations12
- smattering16
- snatchiest16
- socialites14
- solicitant15
- solitaires11
- solitaries11
- sonorities11
- sortitions11
- sovranties15
- spearmints17
- speciation17
- spectators16
- starchiest15
- staterooms13
- stationers11
- stationery13
- stentorian12
- sterilants12
- stigmatics18
- stockinets18
- stomachers18
- stomatitis13
- stonechats16
- storminess14
- strabismic19
- straitness11
- stramonies14
- stratifies13
- streamiest13
- streamings16
- striations11
- strictness14
- stringiest13
- strontiums15
- suctorians15
- syncretism19
- syncretist16
- systematic18
- tanistries11
- tarantisms14
- tautomeric17
- tearstains11
- tectonisms17
- tenacities14
- terminates14
- terminator14
- thermionic19
- thorianite13
- timocratic19
- timpanists17
- tinctorial15
- titrations11
- tonalities12
- tonicities14
- tormentils15
- torosities10
- totemistic16
- tracheitis15
- traditions12
- traitoress10
- trajection23
- transfects17
- transients12
- transistor11
- transition12
- transitive15
- transmutes15
- transsonic15
- tremolitic17
- tretinoins12
- trichiases15
- trickiness18
- tricksiest17
- tricotines14
- trinomials15
- trisecting16
- trisection14
- trisectors13
- tristearin11
- tritheisms15
- triticales14
- tyrosinase13
- unartistic15
- urtication15
- vanitories15
- voracities17
- vorticisms20
- vorticists17