archeozoic vs geology

archeozoic is not a noun while geology is a noun.

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

archeozoic (noun)	geology (noun)
	a science that deals with the history of the earth as recorded in rocks

archeozoic (adjective)	geology (adjective)
of or belonging to earlier of two divisions of the Precambrian era