DUFFEST is a playable word

duff Scrabble® Dictionary

verb
duffed, duffing, duffs
to mishit a ball in golf
adjective
duffer, duffest
worthless, useless
60 Playable Words can be made from "DUFFEST"
   2-Letter Words (9 found)
   3-Letter Words (19 found)
   5-Letter Words (8 found)
   7-Letter Words (2 found)