encamp vs bivouac

encamp is not a noun while bivouac is a noun.

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

As verbs, encamp and bivouac are synonyms defined as:

Other synonyms of encamp include camp, camp out, tent.

encamp (noun)	bivouac (noun)
	temporary living quarters specially built by the army for soldiers
	a site where people on holiday can pitch a tent

encamp (verb)	bivouac (verb)
live in or as if in a tent	live in or as if in a tent