10 letters
- singletree14
- slathering16
- sleaziness21
- sleepiness15
- slenderest13
- slightness16
- smelteries14
- sparteines14
- sphalerite16
- splashiest16
- spleeniest15
- stableness15
- stablishes16
- standishes14
- starfishes15
- steadiness12
- stealthier13
- steaminess14
- steelheads14
- steeliness12
- stencilers15
- sterilants12
- stingarees13
- straitness11
- streamline15
- strifeless14
- stringless14
- stripeless14
- sultriness13
- sustainers12
- svelteness16
- sweatiness14
- synaereses13
- synaeresis13
- tailenders13
- tallnesses13
- tamenesses14
- tartnesses11
- tendresses12
- thinnesses14
- threadless14
- titanesses11
- transships16
- trashiness13
- trehaloses13
- trignesses13
- trimnesses14
- truenesses12
- vilenesses16
- waitresses13
- warinesses14
- wateriness14
- waterlines15
- westerlies14
- westernise14
- whatnesses16
- wirelesses14
- yeastiness13