Saint Lawrence vs St. Lawrence

Saint Lawrence and St. Lawrence both are nouns.

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

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

Saint Lawrence and St. Lawrence: a North American river; flows into the Gulf of Saint Lawrence and the North Atlantic

Other synonyms of Saint Lawrence include Saint Lawrence River, St. Lawrence River.

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

Saint Lawrence and St. Lawrence: Roman martyr; supposedly Lawrence was ordered by the police to give up the church's treasure and when he responded by presenting the poor people of Rome he was roasted to death on a gridiron (died in 258)

Other synonyms of Saint Lawrence include Laurentius, Lawrence, Lawrence of Rome.

Saint Lawrence (noun)	St. Lawrence (noun)
a North American river; flows into the Gulf of Saint Lawrence and the North Atlantic	a North American river; flows into the Gulf of Saint Lawrence and the North Atlantic
Roman martyr; supposedly Lawrence was ordered by the police to give up the church's treasure and when he responded by presenting the poor people of Rome he was roasted to death on a gridiron (died in 258)	Roman martyr; supposedly Lawrence was ordered by the police to give up the church's treasure and when he responded by presenting the poor people of Rome he was roasted to death on a gridiron (died in 258)