Gulf Coast of the United States vs Magnolia State

Gulf Coast of the United States and Magnolia State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gulf Coast of the United States	Yes	No	No	No
Magnolia State	Yes	No	No	No

Gulf Coast of the United States (noun)	Magnolia State (noun)
a region of the United States comprising states bordering the Gulf of Mexico; Alabama and Florida and Louisiana and Mississippi and Texas	a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War