quash vs void

quash is not a noun while void is a noun.

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

As verbs, quash and void are synonyms defined as:

Other synonyms of quash include annul, avoid, invalidate, nullify.

quash (noun)	void (noun)
	an empty area or space
	the state of nonexistence

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

quash (verb)	void (verb)
put down by force or intimidation	excrete or discharge from the body
declare invalid	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