9 letters
- spondaics17
- sportsman16
- sprouting16
- spruciest16
- strenuous12
- strontias10
- stuporous14
- subscript19
- subtonics17
- subtopias16
- subtopics19
- subtropic19
- subtunics18
- suctional15
- suctorial14
- suctorian14
- sudations12
- sunstruck19
- supinates14
- supinator14
- suricates13
- surmounts15
- surprints14
- suspicion17
- sustainer11
- susurrant12
- tenacious14
- tractions13
- tranships15
- transonic14
- transpose13
- transship15
- trapuntos14
- troupials14
- trousseau11
- truancies14
- turncoats14
- turnspits14
- uncorrupt18
- uncurious16
- unitrusts12
- unserious12
- upcasting19
- upcountry20
- uprousing17
- upsoaring16
- upstaring16
- uptossing16
- urbanists14
- urticants14
- virtuosas14
- viscounts18
- wainscots16