Dixieland vs Confederate States of America

Dixieland and Confederate States of America both are nouns.

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

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

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

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

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