HELIACAL is a playable word

heliacal Scrabble® Dictionary

adjective
pertaining to the sun
84 Playable Words can be made from "HELIACAL"
   2-Letter Words (12 found)
   3-Letter Words (23 found)
   6-Letter Words (4 found)
   7-Letter Words (2 found)
   8-Letter Words (2 found)