grunge vs dirt

grunge and dirt both are nouns.

Word	Noun	Adjective	Verb	Adverb
grunge	Yes	No	No	No
dirt	Yes	Yes	No	No

As nouns, grunge and dirt are synonyms defined as:

Other synonyms of grunge include filth, grease, grime, soil, stain.

grunge (noun)	dirt (noun)
anything regarded as making something unclean	disgraceful gossip about the private lives of other people
	anything regarded as making something unclean
	the part of the earth's surface consisting of humus and disintegrated rock
	obscene terms for feces

grunge (adjective)	dirt (adjective)
	(of roads) not leveled or drained; unsuitable for all year travel