10 letters
- sepiolites14
- septenarii14
- serosities10
- shapeliest16
- sheepishly20
- shipmaster18
- shorthairs14
- shriekiest16
- shrimpiest18
- smitheries15
- snippetier17
- sobrieties13
- solitaires11
- solitaries11
- soothsayer14
- spaceports19
- sparsities13
- sparteines14
- speciosity18
- sphalerite16
- sphericity20
- spideriest14
- spirochete18
- sporophyte20
- stereopsis13
- storeships15
- stovepipes20
- strathspey17
- striptease13
- stroppiest16
- superheats16
- superhypes21
- suretyship18
- sympathies20
- sympathise20
- sympatries18
- tapestries13
- telophases16
- temporises16
- thaneships18
- thearchies17
- therapists15
- therapsids16
- thiophenes18
- tovarishes16
- trehaloses13
- trichiases15
- troopships18
- typographs22
- tyrosinase13
- vespiaries17
- vestiaries14
- xerophytes24