St. John the Baptist vs John the Baptist

St. John the Baptist and John the Baptist both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. John the Baptist	Yes	No	No	No
John the Baptist	Yes	No	No	No

As nouns, St. John the Baptist and John the Baptist are synonyms defined as:

St. John the Baptist and John the Baptist: (New Testament) a preacher and hermit and forerunner of Jesus (whom he baptized); was beheaded by Herod at the request of Salome

St. John the Baptist (noun)	John the Baptist (noun)
(New Testament) a preacher and hermit and forerunner of Jesus (whom he baptized); was beheaded by Herod at the request of Salome	(New Testament) a preacher and hermit and forerunner of Jesus (whom he baptized); was beheaded by Herod at the request of Salome