armed forces vs encampment

armed forces and encampment both are nouns.

Word	Noun	Adjective	Verb	Adverb
armed forces	Yes	No	No	No
encampment	Yes	No	No	No

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