Fla. vs Gulf Coast of the United States

Fla. and Gulf Coast of the United States both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fla.	Yes	No	No	No
Gulf Coast of the United States	Yes	No	No	No

Fla. (noun)	Gulf Coast of the United States (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 region of the United States comprising states bordering the Gulf of Mexico; Alabama and Florida and Louisiana and Mississippi and Texas