FUNGUS is a playable word

fungus Scrabble® Dictionary

noun
pl. funguses or fungi
any of a major group of lower plants
21 Playable Words can be made from "FUNGUS"
   2-Letter Words (3 found)
   3-Letter Words (8 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)