St. Simon vs Simon Zelotes

St. Simon and Simon Zelotes both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Simon	Yes	No	No	No
Simon Zelotes	Yes	No	No	No

As nouns, St. Simon and Simon Zelotes are synonyms defined as:

Other synonyms of St. Simon include Simon, Simon the Canaanite, Simon the Zealot.

St. Simon (noun)	Simon Zelotes (noun)
one of the twelve Apostles (first century)	one of the twelve Apostles (first century)