emptiness vs void

emptiness and void both are nouns.

Word	Noun	Adjective	Verb	Adverb
emptiness	Yes	No	No	No
void	Yes	Yes	Yes	No

As nouns, emptiness and void are synonyms defined as:

Other synonyms of emptiness include vacancy, vacuum.

emptiness (noun)	void (noun)
the quality of being valueless or futile	an empty area or space
an empty area or space	the state of nonexistence
the state of containing nothing
having an empty stomach

emptiness (adjective)	void (adjective)
	containing nothing
	lacking any legal or binding force

emptiness (verb)	void (verb)
	excrete or discharge from the body
	take away the legal force of or render ineffective
	clear (a room, house, place) of occupants or empty or clear (a place or receptacle) of something
	declare invalid