CRASS is a playable word

crass Scrabble® Dictionary

adjective
crasser, crassest
grossly vulgar or stupid
(adverb) crassly
14 Playable Words can be made from "CRASS"
   2-Letter Words (2 found)
   3-Letter Words (6 found)
   4-Letter Words (4 found)
   5-Letter Words (2 found)