grunge vs grease

grunge and grease both are nouns.

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

As nouns, grunge and grease are synonyms defined as:

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

grunge (noun)	grease (noun)
anything regarded as making something unclean	anything regarded as making something unclean
	a thick fatty oil (especially one used to lubricate machinery)

grunge (verb)	grease (verb)
	lubricate with grease