pile dwelling vs habitation

pile dwelling and habitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
pile dwelling	Yes	No	No	No
habitation	Yes	No	No	No

As nouns, habitation is a hypernym of pile dwelling; that is, habitation is a word with a broader meaning than pile dwelling:

pile dwelling: dwelling built on piles in or near a lake; specifically in prehistoric villages
habitation: housing that someone is living in

Other hypernyms of pile dwelling include abode, domicile, dwelling, dwelling house, home.

pile dwelling (noun)	habitation (noun)
dwelling built on piles in or near a lake; specifically in prehistoric villages	the act of dwelling in or living permanently in a place (said of both animals and men)
	housing that someone is living in
	the native habitat or home of an animal or plant