Judith vs Book of Judith

Judith and Book of Judith both are nouns.

Word	Noun	Adjective	Verb	Adverb
Judith	Yes	No	No	No
Book of Judith	Yes	No	No	No

As nouns, Judith and Book of Judith are synonyms defined as:

Judith and Book of Judith: an Apocryphal book telling how Judith saved her people

Judith (noun)	Book of Judith (noun)
an Apocryphal book telling how Judith saved her people	an Apocryphal book telling how Judith saved her people
Jewish heroine in one of the books of the Apocrypha; she saved her people by decapitating the Assyrian general Holofernes