SCHMOS is a playable word

schmo Scrabble® Dictionary

noun
pl. schmoes or schmos
a stupid person
36 Playable Words can be made from "SCHMOS"
   2-Letter Words (8 found)
   3-Letter Words (14 found)
   4-Letter Words (12 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)