10 letters
- spaceports19
- sparkliest18
- sparsities13
- spasticity18
- spatiality16
- specialest17
- specialise17
- specialism20
- specialist17
- speciality19
- spectators16
- spermatial17
- spiritless14
- spirituals15
- sprawliest17
- spritsails14
- staircases13
- stalactite14
- starchiest15
- statuaries11
- sterilants12
- stipulates15
- stratifies13
- strippable20
- striptease13
- stroppiest16
- supplicate21
- tailgaters13
- tailpieces17
- tailwaters14
- tanistries11
- tantalises12
- taperstick20
- tapestries13
- tearstains11
- testicular15
- theatrical16
- theistical16
- therapists15
- titularies12
- tracheitis15
- trailerist11
- transeptal15
- translates12
- trapezists22
- trichiases15
- trickliest18
- tricksiest17
- tripletail15
- triplicate17
- triticales14
- typescript21
- ultraistic15
- vicariates17