Saint Benedict vs St. Benedict

Saint Benedict and St. Benedict both are nouns.

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

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

Saint Benedict and St. Benedict: Italian monk who founded the Benedictine order about 540 (480-547)

Other synonyms of Saint Benedict include Benedict, Benedict of Nursia.

Saint Benedict (noun)	St. Benedict (noun)
Italian monk who founded the Benedictine order about 540 (480-547)	Italian monk who founded the Benedictine order about 540 (480-547)