MULLOCKS is a playable word

mullock Scrabble® Dictionary

noun
pl. mullocks
waste earth or rock from a mine
(adjective) mullocky
71 Playable Words can be made from "MULLOCKS"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   6-Letter Words (1 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)