SOOTIEST is a playable word

sooty Scrabble® Dictionary

adjective
sootier, sootiest
covered with soot
(adverb) sootily
74 Playable Words can be made from "SOOTIEST"
   2-Letter Words (12 found)
   3-Letter Words (20 found)
   5-Letter Words (11 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)
   8-Letter Words (2 found)