MUFFLERS is a playable word

muffler Scrabble® Dictionary

noun
pl. mufflers
a device for deadening sound
109 Playable Words can be made from "MUFFLERS"
   2-Letter Words (11 found)
   3-Letter Words (28 found)
   6-Letter Words (8 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)