11 letters
- sincereness16
- sisterhoods14
- slenderness15
- snickersnee20
- snidenesses14
- sonications16
- sootinesses12
- spessartine15
- staidnesses13
- stanchioned19
- starchiness17
- stereoscope17
- sternnesses13
- stonemasons16
- stoninesses13
- strandlines15
- strangeness15
- streakiness16
- streamsides15
- stridencies16
- sustenances17
- syncretised18
- syncretises17
- syndicators18
- tacitnesses15
- tackinesses19
- tardinesses13
- tawninesses16
- tediousness14
- tendencious18
- tenderloins15
- tensionless14
- tepidnesses16
- testcrossed15
- threadiness15
- tirednesses13
- tragedienne16
- transcended18
- transection16
- transiences16
- transposons16
- tritenesses12
- tyrosinases14
- unreadiness15
- venerations17
- venesection20
- wearinesses15
- weirdnesses16
- westernised16
- westernises15
- windscreens20
- woodinesses16
- wordinesses16