Saint Bride vs St. Brigid

Saint Bride and St. Brigid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Bride	Yes	No	No	No
St. Brigid	Yes	No	No	No

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

Saint Bride and St. Brigid: Irish abbess; a patron saint of Ireland (453-523)

Other synonyms of Saint Bride include Bride, Bridget, Brigid, Brigit of Kildare, Saint Bridget, Saint Brigid, St. Bride, St. Bridget.

Saint Bride (noun)	St. Brigid (noun)
Irish abbess; a patron saint of Ireland (453-523)	Irish abbess; a patron saint of Ireland (453-523)