St. Francis of Assisi vs Saint Francis

St. Francis of Assisi and Saint Francis both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Francis of Assisi	Yes	No	No	No
Saint Francis	Yes	No	No	No

As nouns, St. Francis of Assisi and Saint Francis are synonyms defined as:

St. Francis of Assisi and Saint Francis: (Roman Catholic Church) an Italian and the Roman Catholic monk who founded the Franciscan order of friars (1181-1226)

Other synonyms of St. Francis of Assisi include Francis of Assisi, Giovanni di Bernardone, Saint Francis of Assisi, St. Francis.

St. Francis of Assisi (noun)	Saint Francis (noun)
(Roman Catholic Church) an Italian and the Roman Catholic monk who founded the Franciscan order of friars (1181-1226)	a tributary of the Mississippi River that rises in Missouri and flows southeastward through Arkansas
	(Roman Catholic Church) an Italian and the Roman Catholic monk who founded the Franciscan order of friars (1181-1226)