Deep South vs Magnolia State

Deep South and Magnolia State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Deep South	Yes	No	No	No
Magnolia State	Yes	No	No	No

Deep South (noun)	Magnolia State (noun)
the southeastern region of the United States: South Carolina and Georgia and Alabama and Mississippi and Louisiana; prior to the American Civil War all these states produced cotton and permitted slavery	a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War