MUMBLED is a playable word

mumble Scrabble® Dictionary

verb
mumbled, mumbling, mumbles
to speak unclearly
51 Playable Words can be made from "MUMBLED"
   2-Letter Words (9 found)
   3-Letter Words (22 found)
   4-Letter Words (10 found)
   5-Letter Words (6 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)