HALLOOS is a playable word

halloo Scrabble® Dictionary

verb
hallooed, hallooing, halloos
to hallo
62 Playable Words can be made from "HALLOOS"
   2-Letter Words (11 found)
   3-Letter Words (18 found)
   4-Letter Words (15 found)
   5-Letter Words (11 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)