encampment vs military quarters

encampment and military quarters both are nouns.

Word	Noun	Adjective	Verb	Adverb
encampment	Yes	No	No	No
military quarters	Yes	No	No	No

As nouns, military quarters is a hypernym of encampment; that is, military quarters is a word with a broader meaning than encampment:

encampment: temporary living quarters specially built by the army for soldiers
military quarters: living quarters for personnel on a military post

encampment (noun)	military quarters (noun)
the act of encamping and living in tents in a camp	living quarters for personnel on a military post
temporary living quarters specially built by the army for soldiers
a site where people on holiday can pitch a tent