10 letters
- serenities11
- serosities10
- serotinous12
- serrations11
- shelterers13
- shorelines14
- shorteners13
- silentness13
- siltstones12
- singletree14
- sinistrous12
- sleepiness15
- slenderest13
- smelteries14
- snorkelers16
- solenesses12
- solonetses12
- sonneteers12
- sorenesses11
- sortileges13
- sourceless15
- sournesses12
- southerner14
- spleeniest15
- sportiness14
- steeliness12
- stencilers15
- stereopses13
- stereopsis13
- stoneflies15
- storminess14
- strifeless14
- stringless14
- stripeless14
- sturdiness13
- subentries15
- subsoilers15
- subtleness16
- sultriness13
- sunseekers16
- sunstrokes16
- superelite15
- superliner16
- superstore14
- surenesses12
- surfeiters14
- surrealist12
- sustainers12
- svelteness16
- telecourse15
- telegonies14
- tendresses12
- tendrilous14
- tenebrious15
- tenesmuses15
- tensioners12
- terminuses15
- terpineols15
- terreplein15
- terrorises10
- terrorless11
- tongueless15
- torridness12
- treasuries11
- trignesses13
- trimnesses14
- truenesses12
- trustiness12
- turnstiles13
- tutoresses11
- uglinesses15
- understeer13
- unreserves16
- unrestored13
- unseemlier16
- unstressed13
- unstresses12
- ureotelism15
- urinometer15
- vilenesses16
- virtueless16
- vitreouses15
- volunteers17
- westerlies14
- westerners14
- westernise14
- wirelesses14