bivouac vs site

bivouac and site both are nouns.

Word	Noun	Adjective	Verb	Adverb
bivouac	Yes	No	Yes	No
site	Yes	No	Yes	No

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

Other hypernyms of bivouac include land site.

bivouac (noun)	site (noun)
temporary living quarters specially built by the army for soldiers	a computer connected to the internet that maintains a series of web pages on the World Wide Web; a computer connected to the internet that maintains a series of web pages on the World Wide Web
a site where people on holiday can pitch a tent	the piece of land on which something is located (or is to be located)
	physical position in relation to the surroundings

bivouac (verb)	site (verb)
live in or as if in a tent	assign a location to