Confederate soldier vs soldier

Confederate soldier and soldier both are nouns.

Word	Noun	Adjective	Verb	Adverb
Confederate soldier	Yes	No	No	No
soldier	Yes	No	Yes	No

As nouns, soldier is a hypernym of Confederate soldier; that is, soldier is a word with a broader meaning than Confederate soldier:

Confederate soldier: a soldier in the Army of the Confederacy during the American Civil War
soldier: an enlisted man or woman who serves in an army

Other hypernyms of Confederate soldier include Confederate.

Confederate soldier (noun)	soldier (noun)
a soldier in the Army of the Confederacy during the American Civil War	a wingless sterile ant or termite having a large head and powerful jaws adapted for defending the colony
	an enlisted man or woman who serves in an army

Confederate soldier (verb)	soldier (verb)
	serve as a soldier in the military