Word of God vs Word

Word of God and Word both are nouns.

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

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

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

Word of God (noun)	Word (noun)
the sacred writings of the Christian religions	the sacred writings of the Christian religions
the message of the Gospel of Christ	the divine word of God; the second person in the Trinity (incarnate in Jesus)
a manifestation of the mind and will of God