Old Testament vs Sodom

Old Testament and Sodom both are nouns.

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

Old Testament (noun)	Sodom (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	(Old Testament) an ancient city near the Dead Sea that (along with Gomorrah) was destroyed by God for the wickedness of its inhabitants