11 letters
- snidenesses14
- sparenesses15
- speciesisms20
- spermicides21
- spessartine15
- spicinesses18
- spikinesses19
- spininesses16
- spinsterish17
- springtides18
- staidnesses13
- steepnesses15
- stepsisters14
- sternnesses13
- stridencies16
- stringpiece20
- supercities18
- sweetnesses15
- syncretised18
- syncretises17
- tardinesses13
- tensenesses13
- tepidnesses16
- terpeneless16
- tersenesses12
- testinesses12
- threepences20
- timidnesses16
- tipsinesses15
- tirednesses13
- tricksiness19
- tritenesses12
- unperceived24
- unreceptive23
- vapidnesses20
- vicegerents21
- vinedresser17
- virescences22
- viridescent20
- vividnesses21
- voiceprints22
- weedinesses16
- weirdnesses16
- westernised16
- westernises15
- winepresses18
- wispinesses18