Christian Bible vs Bible

Christian Bible and Bible both are nouns.

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

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

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

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

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