MUMBLES is a playable word

mumble Scrabble® Dictionary

verb
mumbled, mumbling, mumbles
to speak unclearly
57 Playable Words can be made from "MUMBLES"
   2-Letter Words (9 found)
   3-Letter Words (21 found)
   4-Letter Words (16 found)
   5-Letter Words (6 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)