MISTRESSES is a playable word

mistress Scrabble® Dictionary

noun
pl. mistresses
a woman in a position of authority
236 Playable Words can be made from "MISTRESSES"
   2-Letter Words (12 found)
   3-Letter Words (31 found)
   8-Letter Words (7 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)