dirt vs grease

dirt and grease both are nouns.

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

As nouns, dirt and grease are synonyms defined as:

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

dirt (noun)	grease (noun)
disgraceful gossip about the private lives of other people	anything regarded as making something unclean
anything regarded as making something unclean	a thick fatty oil (especially one used to lubricate machinery)
the part of the earth's surface consisting of humus and disintegrated rock
obscene terms for feces

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

dirt (verb)	grease (verb)
	lubricate with grease