POW camp vs internment camp

POW camp and internment camp both are nouns.

Word	Noun	Adjective	Verb	Adverb
POW camp	Yes	No	No	No
internment camp	Yes	No	No	No

As nouns, POW camp and internment camp are synonyms defined as:

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

POW camp (noun)	internment camp (noun)
a camp for prisoners of war	a camp for prisoners of war