SCHWAS is a playable word

schwa Scrabble® Dictionary

noun
pl. schwas
a type of vowel sound
32 Playable Words can be made from "SCHWAS"
   2-Letter Words (5 found)
   3-Letter Words (11 found)
   4-Letter Words (10 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)