MASKS is a playable word

mask Scrabble® Dictionary

verb
masked, masking, masks
to cover with a mask (a covering used to disguise the face)
(adjective) maskable
14 Playable Words can be made from "MASKS"
   2-Letter Words (4 found)
   3-Letter Words (5 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)