grease vs soil

grease and soil both are nouns.

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

As nouns, grease and soil are synonyms defined as:

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

grease (noun)	soil (noun)
anything regarded as making something unclean	the geographical area under the jurisdiction of a sovereign state
a thick fatty oil (especially one used to lubricate machinery)	material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)
	anything regarded as making something unclean
	the part of the earth's surface consisting of humus and disintegrated rock

grease (verb)	soil (verb)
lubricate with grease	make soiled, filthy, or dirty