St. Bruno vs Saint Bruno

St. Bruno and Saint Bruno both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Bruno	Yes	No	No	No
Saint Bruno	Yes	No	No	No

As nouns, St. Bruno and Saint Bruno are synonyms defined as:

St. Bruno and Saint Bruno: (Roman Catholic Church) a French cleric (born in Germany) who founded the Carthusian order in 1084 (1032-1101)

Other synonyms of St. Bruno include Bruno, Bruno of Cologne.

St. Bruno (noun)	Saint Bruno (noun)
(Roman Catholic Church) a French cleric (born in Germany) who founded the Carthusian order in 1084 (1032-1101)	(Roman Catholic Church) a French cleric (born in Germany) who founded the Carthusian order in 1084 (1032-1101)