10 letters
- smartening17
- solitaires11
- solitaries11
- sonorities11
- sovranties15
- spearmints17
- stannaries12
- stationers11
- stentorian12
- stonemason15
- storminess14
- stramonies14
- streamings16
- striations11
- tanistries11
- tensioners12
- thorniness14
- transients12
- transition12
- transsonic15
- tretinoins12
- triennials13
- trienniums16
- trinomials15
- tyrannises14
- tyrosinase13
- uraninites13
- urinations13
- vanitories15
- vernations16
- wintriness15