Holy Writ vs Word

Holy Writ and Word both are nouns.

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

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

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

Holy Writ (noun)	Word (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)