MUFFLE is a playable word

muffle Scrabble® Dictionary

verb
muffled, muffling, muffles
to wrap with something to deaden sound
24 Playable Words can be made from "MUFFLE"
   2-Letter Words (7 found)
   3-Letter Words (9 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)