HALOS is a playable word

halo Scrabble® Dictionary

verb
haloed, haloing, halos or haloes
to form a halo (a ring of light)
32 Playable Words can be made from "HALOS"
   2-Letter Words (11 found)
   3-Letter Words (13 found)
   4-Letter Words (6 found)
   5-Letter Words (2 found)