UNMUFFLE is a playable word

unmuffle Scrabble® Dictionary

verb
unmuffled, unmuffling, unmuffles
to free from something that muffles
40 Playable Words can be made from "UNMUFFLE"
   2-Letter Words (11 found)
   3-Letter Words (15 found)
   4-Letter Words (10 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)