vacant vs empty

vacant is not a noun while empty is a noun.

Word	Noun	Adjective	Verb	Adverb
vacant	No	Yes	No	No
empty	Yes	Yes	Yes	No

vacant (noun)	empty (noun)
	a container that has been emptied

vacant (adjective)	empty (adjective)
without an occupant or incumbent	holding or containing nothing
devoid of intelligence or thought	emptied of emotion
	needing nourishment
	devoid of significance or force

vacant (verb)	empty (verb)
	excrete or discharge from the body
	become empty or void of its content
	make void or empty of contents
	remove the contents of a container
	leave behind empty; move out of