untenanted vs unoccupied

untenanted and unoccupied both are adjectives.

Word	Noun	Adjective	Verb	Adverb
untenanted	No	Yes	No	No
unoccupied	No	Yes	No	No

As adjectives, untenanted and unoccupied are synonyms defined as:

untenanted (adjective)	unoccupied (adjective)
not leased to or occupied by a tenant	not held or filled or in use
	not seized and controlled
	not leased to or occupied by a tenant