9 letters
- spinsters13
- spirogyra16
- spongiest15
- spooniest13
- sporocyst17
- springers15
- sprinters13
- staginess12
- starnoses10
- steapsins13
- stingrays14
- stonecrop16
- strainers10
- strangers12
- stressing12
- stringers12
- syncopate18
- synergias14
- synergist14
- teaspoons13
- terracing15
- terrapins13
- transpire13
- transpose13
- trapesing15
- tricornes13
- tyrosines12