Word of God vs Christian Bible

Word of God and Christian Bible both are nouns.

Word	Noun	Adjective	Verb	Adverb
Word of God	Yes	No	No	No
Christian Bible	Yes	No	No	No

As nouns, Word of God and Christian Bible are synonyms defined as:

Word of God and Christian Bible: the sacred writings of the Christian religions

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

Word of God (noun)	Christian Bible (noun)
the sacred writings of the Christian religions	the sacred writings of the Christian religions
the message of the Gospel of Christ
a manifestation of the mind and will of God