bivouac vs encamp

bivouac is a noun but encamp is not a noun.

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

As verbs, bivouac and encamp are synonyms defined as:

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

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

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