Word vs Holy Writ

Word and Holy Writ both are nouns.

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

As nouns, Word and Holy Writ are synonyms defined as:

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

Word (noun)	Holy Writ (noun)
the sacred writings of the Christian religions	the sacred writings of the Christian religions
the divine word of God; the second person in the Trinity (incarnate in Jesus)