cantonment vs boot camp

cantonment and boot camp both are nouns.

Word	Noun	Adjective	Verb	Adverb
cantonment	Yes	No	No	No
boot camp	Yes	No	No	No

As nouns, boot camp is a hyponym of cantonment; that is, boot camp is a word with a more specific, narrower meaning than cantonment:

cantonment: temporary living quarters specially built by the army for soldiers
boot camp: camp for training military recruits

Other hyponyms of cantonment include hutment, laager, lager.

cantonment (noun)	boot camp (noun)
temporary living quarters specially built by the army for soldiers	camp for training military recruits