geology vs erosion

geology and erosion both are nouns.

Word	Noun	Adjective	Verb	Adverb
geology	Yes	No	No	No
erosion	Yes	No	No	No

geology (noun)	erosion (noun)
a science that deals with the history of the earth as recorded in rocks	(geology) the mechanical process of wearing or grinding something down (as by particles washing over it), also figuratively
	erosion by chemical action
	a gradual decline of something
	condition in which the earth's surface is worn away by the action of water and wind