Old Testament vs Israelites

Old Testament and Israelites both are nouns.

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

Old Testament (noun)	Israelites (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	the ethnic group claiming descent from Abraham and Isaac (especially from Isaac's son Jacob); the nation whom God chose to receive his revelation and with whom God chose to make a covenant (Exodus 19)