erosion vs geology

erosion and geology both are nouns.

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

erosion (noun)	geology (noun)
(geology) the mechanical process of wearing or grinding something down (as by particles washing over it), also figuratively	a science that deals with the history of the earth as recorded in rocks
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