cantonment vs encampment

cantonment and encampment both are nouns.

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

As nouns, cantonment and encampment are synonyms defined as:

cantonment and encampment: temporary living quarters specially built by the army for soldiers

Other synonyms of cantonment include bivouac, camp.

cantonment (noun)	encampment (noun)
temporary living quarters specially built by the army for soldiers	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