9 letters
- sheepcots17
- sincerest13
- sinciputs17
- sinecures14
- sixpences23
- snobbiest16
- snoopiest13
- snoutiest11
- snubbiest17
- societies12
- sonicates13
- sostenuti11
- spacesuit16
- speciates15
- specimens19
- spicebush21
- spinulose15
- splenetic17
- spongiest15
- spooniest13
- spruciest16
- spunkiest18
- steenboks17
- steinboks17
- stenokies14
- stilbenes14
- stupefies16
- subcenter17
- subdepots17
- subechoes18
- subepochs21
- subniches19
- subpoenas17
- subpotent17
- subscript19
- subsector16
- substance17
- subtonics17
- subtopias16
- subtopics19
- subtropic19
- subtunics18
- suctioned15
- superbest16
- supinates14
- suspected17
- suspicion17
- tenacious14
- tenebrous14
- teosintes10
- tepidness14
- toepieces15
- tricepses15
- tubenoses14
- tuberoses13
- tuppences20
- twopences19
- uneasiest11
- uptossing16
- viscounts18