9 letters
- semiotics15
- semisolid14
- semitones13
- serotines10
- shoreside12
- siderites10
- sierozems21
- smeariest12
- smirkiest16
- smothered15
- societies12
- sodomites13
- somersets12
- sometimes15
- sovietism16
- steadiers10
- storewide13
- stormiest12
- temporise15
- theorised12
- theorises11
- thermoses14
- timidness14
- tiredness11
- topsiders13
- triadisms13
- trioxides17
- tripodies13
- trisomics15
- trisomies12
- troilisms13
- udometers14
- wormseeds16