10 letters
- shoeshines15
- shorelines14
- silentness13
- sinfulness17
- singleness15
- slanginess15
- sleaziness21
- sleepiness15
- slimnesses15
- slownesses15
- slushiness15
- sneakiness16
- snubnesses16
- softnesses14
- solemnness16
- solenesses12
- sorenesses11
- stableness15
- stablishes16
- steeliness12
- stoneflies15
- subfossils18
- thinnesses14
- uneasiness13
- unfeasible19
- unholiness16
- usableness16
- vainnesses16
- venialness17
- vilenesses16
- washbasins19
- whalebones20
- wheelbases19
- wisenesses14
- wolfsbanes21
- zaninesses21