Gospel According to Luke vs Luke

Gospel According to Luke and Luke both are nouns.

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

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

Gospel According to Luke and Luke: one of the four Gospels in the New Testament; contains details of Jesus's birth and early life

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

Gospel According to Luke (noun)	Luke (noun)
one of the four Gospels in the New Testament; contains details of Jesus's birth and early life	one of the four Gospels in the New Testament; contains details of Jesus's birth and early life
	(New Testament) the Apostle closely associated with St. Paul and traditionally assumed to be the author of the third Gospel