DELTOID is a playable word

deltoid Scrabble® Dictionary

noun
pl. deltoids
a shoulder muscle
90 Playable Words can be made from "DELTOID"
   2-Letter Words (15 found)
   3-Letter Words (26 found)
   5-Letter Words (12 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)