St. Brigid vs Brigit of Kildare

St. Brigid and Brigit of Kildare both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Brigid	Yes	No	No	No
Brigit of Kildare	Yes	No	No	No

As nouns, St. Brigid and Brigit of Kildare are synonyms defined as:

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

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

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