9 letters
- smoothens15
- smoothies14
- smoothing17
- snideness12
- snoopiest13
- snootiest10
- snooziest19
- snowiness14
- snowshoes15
- softening16
- sogginess14
- something17
- songfests15
- songsmith17
- songsters12
- sonneting14
- sootiness10
- sorosises9
- southings15
- spongiest15
- sponsions14
- spooniest13
- staginess12
- steevings16
- stegodons13
- stenokies14
- stereoing12
- sternness11
- sternsons11
- stingless13
- stonefish15
- stoniness11
- stonished13
- stonishes12
- stressing12
- strongish14
- sunshines14
- sunstones12
- sweetings15
- swooshing17
- synesises12
- syntheses14
- synthesis14
- syntonies13
- teethings14
- tenseness11
- tensioned12
- tensioner11
- teosintes10
- testiness10
- theogonic17
- theorises11
- thingness15
- thionines13
- threonine13
- tightness14
- tigresses11
- tinstones11
- toughness15
- whinstone16
- whiteness15
- whoosises14
- witnesses13