BLACKS is a playable word

black Scrabble® Dictionary

adjective
blacker, blackest
being of the darkest color
verb
blacked, blacking, blacks
to make black
45 Playable Words can be made from "BLACKS"
   2-Letter Words (6 found)
   3-Letter Words (17 found)
   4-Letter Words (15 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)