quit vs leave

quit is not a noun while leave is a noun.

Word	Noun	Adjective	Verb	Adverb
quit	No	No	Yes	No
leave	Yes	No	Yes	No

As verbs, leave is a hypernym of quit; that is, leave is a word with a broader meaning than quit:

Other hypernyms of quit include go away, go forth.

As verbs, leave is a hypernym of quit; that is, leave is a word with a broader meaning than quit:

Other hypernyms of quit include depart, pull up stakes.

quit (noun)	leave (noun)
	the act of departing politely
	permission to do something
	the period of time during which you are absent from work or duty

quit (verb)	leave (verb)
give up in the face of defeat of lacking hope; admit defeat	leave unchanged or undisturbed or refrain from taking
go away or leave	be survived by after one's death
turn away from; give up	leave behind unintentionally
give up or retire from a position	go and leave behind, either intentionally or by neglect or forgetfulness
put an end to a state or an activity	move out of or depart from
	go away from a place
	leave or give by will after one's death
	transmit (knowledge or skills)
	put into the care or protection of someone
	remove oneself from an association with or participation in
	produce as a result or residue
	make a possibility or provide opportunity for; permit to be attainable or cause to remain
	act or be so as to become in a specified state
	have left or have as a remainder