HILLOCK is a playable word

hillock Scrabble® Dictionary

noun
pl. hillocks
a small hill
(adjective) hillocky
39 Playable Words can be made from "HILLOCK"
   2-Letter Words (8 found)
   3-Letter Words (12 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   7-Letter Words (1 found)