Saint Jude vs Jude

Saint Jude and Jude both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Jude	Yes	No	No	No
Jude	Yes	No	No	No

As nouns, Saint Jude and Jude are synonyms defined as:

Saint Jude and Jude: (New Testament) supposed brother of St. James; one of the Apostles who is invoked in prayer when a situation seems hopeless

Other synonyms of Saint Jude include Judas, Jude the Apostle, St. Jude, Thaddaeus.

Saint Jude (noun)	Jude (noun)
(New Testament) supposed brother of St. James; one of the Apostles who is invoked in prayer when a situation seems hopeless	a New Testament book attributed to Saint Jude
	(New Testament) supposed brother of St. James; one of the Apostles who is invoked in prayer when a situation seems hopeless