religious writing vs Ketuvim

religious writing and Ketuvim both are nouns.

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

religious writing (noun)	Ketuvim (noun)
writing that is venerated for the worship of a deity	the third of three divisions of the Hebrew Scriptures