MYCELIUM is a playable word

mycelium Scrabble® Dictionary

noun
pl. mycelia
the vegetative portion of a fungus
(adjective) mycelial, mycelian, myceloid
59 Playable Words can be made from "MYCELIUM"
   2-Letter Words (10 found)
   3-Letter Words (23 found)
   4-Letter Words (18 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)