BESETTER is a playable word

besetter Scrabble® Dictionary

noun
pl. besetters
one that besets
72 Playable Words can be made from "BESETTER"
   2-Letter Words (6 found)
   3-Letter Words (16 found)
   6-Letter Words (10 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)