malodourous vs musty

malodourous and musty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
malodourous	No	Yes	No	No
musty	No	Yes	No	No

malodourous (adjective)	musty (adjective)
having an unpleasant smell	stale and unclean smelling
	covered with or smelling of mold