Christian Bible vs Holy Writ

Christian Bible and Holy Writ both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christian Bible	Yes	No	No	No
Holy Writ	Yes	No	No	No

As nouns, Christian Bible and Holy Writ are synonyms defined as:

Christian Bible and Holy Writ: the sacred writings of the Christian religions

Other synonyms of Christian Bible include Bible, Book, Good Book, Holy Scripture, Scripture, Word, Word of God.

Christian Bible (noun)	Holy Writ (noun)
the sacred writings of the Christian religions	the sacred writings of the Christian religions