SOOTS is a playable word

soot Scrabble® Dictionary

verb
sooted, sooting, soots
to cover with soot (a black substance produced by combustion)
12 Playable Words can be made from "SOOTS"
   2-Letter Words (3 found)
   3-Letter Words (4 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)