Epistle to the Colossians vs Epistle of Paul the Apostle to the Colossians

Epistle to the Colossians and Epistle of Paul the Apostle to the Colossians both are nouns.

Word	Noun	Adjective	Verb	Adverb
Epistle to the Colossians	Yes	No	No	No
Epistle of Paul the Apostle to the Colossians	Yes	No	No	No

As nouns, Epistle to the Colossians and Epistle of Paul the Apostle to the Colossians are synonyms defined as:

Epistle to the Colossians and Epistle of Paul the Apostle to the Colossians: a New Testament book containing an epistle from Saint Paul to the Colossians in ancient Phrygia

Other synonyms of Epistle to the Colossians include Colossians.

Epistle to the Colossians (noun)	Epistle of Paul the Apostle to the Colossians (noun)
a New Testament book containing an epistle from Saint Paul to the Colossians in ancient Phrygia	a New Testament book containing an epistle from Saint Paul to the Colossians in ancient Phrygia