10 letters
- rheostatic15
- rickettsia17
- sanctifier17
- sanctities14
- saponifier17
- saprogenic19
- scattering16
- scorpaenid18
- scriptoria16
- semitropic19
- separation14
- septenarii14
- solicitant15
- spattering16
- speciating19
- speciation17
- spectating19
- spectators16
- stationers11
- stationery13
- stenotopic17
- stentorian12
- striations11
- supertonic18
- tanistries11
- taperstick20
- tenacities14
- thorianite13
- tinctorial15
- titrations11
- tonalities12
- tonicities14
- tracheitis15
- traditions12
- trajection23
- transcript17
- transition12
- transitive15
- tretinoins12
- tricotines14
- tripinnate15
- triplicate17
- trisecting16
- trisection14
- tristearin11
- triticales14
- unartistic15
- urtication15
- vanitories15
- voiceprint21
- voracities17
- waitperson17