Saint Denis vs St. Denis

Saint Denis and St. Denis both are nouns.

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

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

Saint Denis and St. Denis: United States dancer and choreographer who collaborated with Ted Shawn (1877-1968)

Other synonyms of Saint Denis include Ruth Saint Denis, Ruth St. Denis.

Saint Denis (noun)	St. Denis (noun)
United States dancer and choreographer who collaborated with Ted Shawn (1877-1968)	United States dancer and choreographer who collaborated with Ted Shawn (1877-1968)