Old Testament vs Adam

Old Testament and Adam both are nouns.

Word	Noun	Adjective	Verb	Adverb
Old Testament	Yes	No	No	No
Adam	Yes	No	No	No

Old Testament (noun)	Adam (noun)
the collection of books comprising the sacred scripture of the Hebrews and recording their history as the chosen people; the first half of the Christian Bible	street names for methylenedioxymethamphetamine
	(Old Testament) in Judeo-Christian mythology; the first man and the husband of Eve and the progenitor of the human race
	Scottish architect who designed many public buildings in England and Scotland (1728-1792)