HYOIDAL is a playable word

hyoid Scrabble® Dictionary

noun
pl. hyoids
a bone of the tongue
(adjective) hyoidal, hyoidean
81 Playable Words can be made from "HYOIDAL"
   2-Letter Words (20 found)
   3-Letter Words (24 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (3 found)