St. Johns River vs Fla.

St. Johns River and Fla. both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Johns River	Yes	No	No	No
Fla.	Yes	No	No	No

St. Johns River (noun)	Fla. (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