HEFTIEST is a playable word

hefty Scrabble® Dictionary

adjective
heftier, heftiest
heavy
(adverb) heftily
91 Playable Words can be made from "HEFTIEST"
   2-Letter Words (14 found)
   3-Letter Words (29 found)
   5-Letter Words (12 found)
   6-Letter Words (4 found)
   8-Letter Words (1 found)