Saint Brigid vs Saint Bridget

Saint Brigid and Saint Bridget both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Brigid	Yes	No	No	No
Saint Bridget	Yes	No	No	No

As nouns, Saint Brigid and Saint Bridget are synonyms defined as:

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

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

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