QUITTER is a playable word

quitter Scrabble® Dictionary

noun
pl. quitters
one that quits
37 Playable Words can be made from "QUITTER"
   2-Letter Words (8 found)
   3-Letter Words (11 found)
   4-Letter Words (7 found)
   5-Letter Words (10 found)
   7-Letter Words (1 found)