St. Francis vs St. Francis River

St. Francis and St. Francis River both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Francis	Yes	No	No	No
St. Francis River	Yes	No	No	No

As nouns, St. Francis and St. Francis River are synonyms defined as:

St. Francis and St. Francis River: a tributary of the Mississippi River that rises in Missouri and flows southeastward through Arkansas

Other synonyms of St. Francis include Saint Francis, Saint Francis River.

St. Francis (noun)	St. Francis River (noun)
a tributary of the Mississippi River that rises in Missouri and flows southeastward through Arkansas	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)