Saint Johns River vs Florida

Saint Johns River and Florida both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Johns River	Yes	No	No	No
Florida	Yes	No	No	No

Saint Johns River (noun)	Florida (noun)
a river in northeastern Florida that flows northward to Jacksonville and then eastward to empty into the Atlantic Ocean	a state in southeastern United States between the Atlantic and the Gulf of Mexico; one of the Confederate states during the American Civil War