religious writing vs religious text

religious writing and religious text both are nouns.

Word	Noun	Adjective	Verb	Adverb
religious writing	Yes	No	No	No
religious text	Yes	No	No	No

As nouns, religious writing and religious text are synonyms defined as:

religious writing and religious text: writing that is venerated for the worship of a deity

Other synonyms of religious writing include sacred text, sacred writing.

religious writing (noun)	religious text (noun)
writing that is venerated for the worship of a deity	writing that is venerated for the worship of a deity