Gospel According to Matthew vs Matthew

Gospel According to Matthew and Matthew both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gospel According to Matthew	Yes	No	No	No
Matthew	Yes	No	No	No

As nouns, Gospel According to Matthew and Matthew are synonyms defined as:

Gospel According to Matthew and Matthew: one of the Gospels in the New Testament; includes the Sermon on the Mount

Other synonyms of Gospel According to Matthew include Gospel of Matthew.

Gospel According to Matthew (noun)	Matthew (noun)
one of the Gospels in the New Testament; includes the Sermon on the Mount	one of the Gospels in the New Testament; includes the Sermon on the Mount
	(New Testament) disciple of Jesus; traditionally considered to be the author of the first Gospel