inmate vs occupant

inmate and occupant both are nouns.

Word	Noun	Adjective	Verb	Adverb
inmate	Yes	No	No	No
occupant	Yes	No	No	No

As nouns, occupant is a hypernym of inmate; that is, occupant is a word with a broader meaning than inmate:

inmate: one of several resident of a dwelling (especially someone confined to a prison or hospital)
occupant: someone who lives at a particular place for a prolonged period or who was born there

Other hypernyms of inmate include occupier, resident.

inmate (noun)	occupant (noun)
one of several resident of a dwelling (especially someone confined to a prison or hospital)	someone who lives at a particular place for a prolonged period or who was born there
a patient who is residing in the hospital where he is being treated
a person serving a sentence in a jail or prison