religious writing vs Ketubim

religious writing and Ketubim both are nouns.

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

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