Ketubim vs Writings

Ketubim and Writings both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ketubim	Yes	No	No	No
Writings	Yes	No	No	No

As nouns, Ketubim and Writings are synonyms defined as:

Ketubim and Writings: the third of three divisions of the Hebrew Scriptures

Other synonyms of Ketubim include Hagiographa, Ketuvim.

Ketubim (noun)	Writings (noun)
the third of three divisions of the Hebrew Scriptures	the third of three divisions of the Hebrew Scriptures