MUCOID is a playable word

mucoid Scrabble® Dictionary

noun
pl. mucoids
a complex protein
(adjective) mucoidal
35 Playable Words can be made from "MUCOID"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   4-Letter Words (4 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)