inhabitation vs occupancy

inhabitation and occupancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
inhabitation	Yes	No	No	No
occupancy	Yes	No	No	No

As nouns, occupancy is a hypernym of inhabitation; that is, occupancy is a word with a broader meaning than inhabitation:

inhabitation: the act of dwelling in or living permanently in a place (said of both animals and men)
occupancy: an act of being a tenant or occupant

Other hypernyms of inhabitation include tenancy.

inhabitation (noun)	occupancy (noun)
the act of dwelling in or living permanently in a place (said of both animals and men)	an act of being a tenant or occupant
	the act of occupying or taking possession of a building