land site vs encampment

land site and encampment both are nouns.

Word	Noun	Adjective	Verb	Adverb
land site	Yes	No	No	No
encampment	Yes	No	No	No

As nouns, encampment is a hyponym of land site; that is, encampment is a word with a more specific, narrower meaning than land site:

land site: the piece of land on which something is located (or is to be located)
encampment: a site where people on holiday can pitch a tent

land site (noun)	encampment (noun)
the piece of land on which something is located (or is to be located)	the act of encamping and living in tents in a camp
	temporary living quarters specially built by the army for soldiers
	a site where people on holiday can pitch a tent