Dixieland vs Confederate States

Dixieland and Confederate States both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dixieland	Yes	No	No	No
Confederate States	Yes	No	No	No

As nouns, Dixieland and Confederate States are synonyms defined as:

Dixieland and Confederate States: the southern states that seceded from the United States in 1861

Other synonyms of Dixieland include Confederacy, Confederate States of America, Dixie, South.

Dixieland (noun)	Confederate States (noun)
the southern states that seceded from the United States in 1861	the southern states that seceded from the United States in 1861