St. Simon vs Simon

St. Simon and Simon both are nouns.

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

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

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

St. Simon (noun)	Simon (noun)
one of the twelve Apostles (first century)	United States economist and psychologist who pioneered in the development of cognitive science (1916-2001)
	United States playwright noted for light comedies (born in 1927)
	United States singer and songwriter (born in 1942)
	one of the twelve Apostles (first century)