Holy Writ vs Scripture

Holy Writ and Scripture both are nouns.

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

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

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

Holy Writ (noun)	Scripture (noun)
the sacred writings of the Christian religions	the sacred writings of the Christian religions