Fla. vs St. Johns

Fla. and St. Johns both are nouns.

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

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