void vs egest

void is a noun but egest is not a noun.

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

As verbs, egest is a hypernym of void; that is, egest is a word with a broader meaning than void:

Other hypernyms of void include eliminate, excrete, pass.

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

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

void (verb)	egest (verb)
excrete or discharge from the body	eliminate 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