HOLLOW is a playable word

hollow Scrabble® Dictionary

adjective
hollower, hollowest
not solid
(adverb) hollowly
verb
hollowed, hollowing, hollows
to make hollow
19 Playable Words can be made from "HOLLOW"
   2-Letter Words (5 found)
   3-Letter Words (9 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)