camping vs encampment

camping and encampment both are nouns.

Word	Noun	Adjective	Verb	Adverb
camping	Yes	No	No	No
encampment	Yes	No	No	No

As nouns, camping and encampment are synonyms defined as:

camping and encampment: the act of encamping and living in tents in a camp

Other synonyms of camping include bivouacking, tenting.

camping (noun)	encampment (noun)
the act of encamping and living in tents in a camp	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