OPUSES is a playable word

opus Scrabble® Dictionary

noun
pl. opuses or opera
a literary or musical work
52 Playable Words can be made from "OPUSES"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   4-Letter Words (16 found)
   5-Letter Words (8 found)
   6-Letter Words (2 found)