boot camp vs bivouac

boot camp and bivouac both are nouns.

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

As nouns, bivouac is a hypernym of boot camp; that is, bivouac is a word with a broader meaning than boot camp:

Other hypernyms of boot camp include camp, cantonment, encampment.

boot camp (noun)	bivouac (noun)
camp for training military recruits	temporary living quarters specially built by the army for soldiers
	a site where people on holiday can pitch a tent

boot camp (verb)	bivouac (verb)
	live in or as if in a tent