Third Epistel of John vs Third Epistle of John

Third Epistel of John and Third Epistle of John both are nouns.

Word	Noun	Adjective	Verb	Adverb
Third Epistel of John	Yes	No	No	No
Third Epistle of John	Yes	No	No	No

As nouns, Third Epistel of John and Third Epistle of John are synonyms defined as:

Third Epistel of John and Third Epistle of John: the third New Testament epistle traditionally attributed to Saint John the Apostle

Other synonyms of Third Epistel of John include III John.

Third Epistel of John (noun)	Third Epistle of John (noun)
the third New Testament epistle traditionally attributed to Saint John the Apostle	the third New Testament epistle traditionally attributed to Saint John the Apostle