HEATHIEST is a playable word

heathy Scrabble® Dictionary

adjective
heathier, heathiest
abounding in heath
148 Playable Words can be made from "HEATHIEST"
   2-Letter Words (18 found)
   6-Letter Words (8 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)