10 letters
- shantytown19
- shirttails13
- siltations12
- sinoatrial12
- sociopathy20
- solicitant15
- solicitors14
- solidarity14
- solitarily14
- sonicating17
- sonication15
- soothingly18
- sortitions11
- splanchnic24
- spoliation15
- stanchions17
- stationary13
- stationery13
- stationing14
- stentorian12
- stochastic18
- straightly17
- striations11
- stringhalt16
- strychnine19
- synchronal20
- synchronic22
- syncopator19
- syndicator17
- synoptical20
- syntactics19
- tacticians17
- tailorings14
- tarnations12
- tarnishing16
- technicals20
- technician20
- technocrat19
- theistical16
- theocratic18
- thiouracil17
- thorianite13
- thylacines19
- thyratrons15
- timocratic19
- tinctorial15
- titrations11
- toleration12
- tonalities12
- topicality19
- tortiously14
- totalising14
- totalistic14
- tracheitis15
- tractional15
- traditions12
- transiency17
- transiting14
- transition12
- transitory13
- transsonic15
- trenchancy22
- tretinoins12
- triathlons14
- trichinous17
- trichocyst20
- trichology20
- trichotomy20
- trickishly22
- tricotines14
- tricyclics22
- triennials13
- trillionth15
- trimonthly19
- trinomials15
- trisection14
- triticales14
- trochoidal17
- truncation16
- tyrannical18
- tyrocidins17
- ultraistic15
- ultrasonic16
- unactorish17
- unartistic15
- unchastity19
- uncritical19
- unicyclist21
- urinations13
- urtication15
- varicosity19
- violations16