9 letters
- slushiest13
- snoopiest13
- solipsist13
- solutions12
- songsters12
- sootiness10
- sophistry16
- sorptions13
- sortieing12
- southerly15
- southerns13
- southings15
- southrons13
- spinosity15
- spinsters13
- spinulose15
- spiritoso12
- spiritous13
- spirituel14
- splinters14
- splintery16
- sploshing18
- spongiest15
- spoolings16
- spooniest13
- sporogony17
- sprightly19
- springily18
- sprouting16
- sterlings13
- stingless13
- stonishes12
- storeship14
- stressing12
- stripings15
- stripling16
- strongish14
- strongyle15
- strongyls15
- sturgeons13
- stylisers12
- stylising15
- sulphites16
- sulphones17
- sunlights16
- superhits15
- superthin16
- surliness12
- suspensor14
- suspiring16
- synergist14
- synthesis14
- syphering19
- terpinols14
- tholepins16
- thornless13
- tipsiness13
- toolhouse13
- toughness15
- triglyphs19
- trilogies12
- troiluses11
- trophying19
- trussings13
- turnsoles12
- turophile16
- tyrosines12
- unholiest14
- unsightly18
- unstylish16
- upholster16
- uprightly20
- uprisings16
- uprooting16
- uptossing16
- urologies13
- urologist13
- urostyles13
- utilisers11
- yoghourts16
- youngster15