prisoner of war camp vs prison camp

prisoner of war camp and prison camp both are nouns.

Word	Noun	Adjective	Verb	Adverb
prisoner of war camp	Yes	No	No	No
prison camp	Yes	No	No	No

As nouns, prisoner of war camp and prison camp are synonyms defined as:

Other synonyms of prisoner of war camp include internment camp, POW camp.

prisoner of war camp (noun)	prison camp (noun)
a camp for prisoners of war	a camp for trustworthy prisoners employed in government projects
	a camp for prisoners of war