HUMMOCKS is a playable word

hummock Scrabble® Dictionary

verb
hummocked, hummocking, hummocks
to form into hummocks (small rounded hills)
91 Playable Words can be made from "HUMMOCKS"
   2-Letter Words (14 found)
   3-Letter Words (25 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)