tenancy vs inhabitation

tenancy and inhabitation both are nouns.

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

As nouns, inhabitation is a hyponym of tenancy; that is, inhabitation is a word with a more specific, narrower meaning than tenancy:

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

Other hyponyms of tenancy include habitation, inhabitancy.

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