Zechariah vs Old Testament

Zechariah and Old Testament both are nouns.

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

Zechariah (noun)	Old Testament (noun)
an Old Testament book telling the prophecies of Zechariah which are concerned mainly with the renewal of Israel after the Babylonian Captivity	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
a Hebrew minor prophet of the late 6th century BC