Writings vs Canticle of Canticles

Writings and Canticle of Canticles both are nouns.

Word	Noun	Adjective	Verb	Adverb
Writings	Yes	No	No	No
Canticle of Canticles	Yes	No	No	No

Writings (noun)	Canticle of Canticles (noun)
the third of three divisions of the Hebrew Scriptures	an Old Testament book consisting of a collection of love poems traditionally attributed to Solomon but actually written much later