SUMACS is a playable word

sumac Scrabble® Dictionary

noun
pl. sumacs
a flowering tree or shrub
35 Playable Words can be made from "SUMACS"
   2-Letter Words (6 found)
   3-Letter Words (12 found)
   4-Letter Words (10 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)