Saint Dominic vs St. Dominic

Saint Dominic and St. Dominic both are nouns.

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

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

Saint Dominic and St. Dominic: (Roman Catholic Church) Spanish priest who founded an order whose members became known as Dominicans or Black Friars (circa 1170-1221)

Other synonyms of Saint Dominic include Domingo de Guzman, Dominic.

Saint Dominic (noun)	St. Dominic (noun)
(Roman Catholic Church) Spanish priest who founded an order whose members became known as Dominicans or Black Friars (circa 1170-1221)	(Roman Catholic Church) Spanish priest who founded an order whose members became known as Dominicans or Black Friars (circa 1170-1221)