XYSTERS is a playable word

xyster Scrabble® Dictionary

noun
pl. xysters
a surgical instrument for scraping bones
50 Playable Words can be made from "XYSTERS"
   2-Letter Words (7 found)
   3-Letter Words (16 found)
   4-Letter Words (16 found)
   5-Letter Words (8 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)