go out vs leave

go out is not a noun while leave is a noun.

Word	Noun	Adjective	Verb	Adverb
go out	No	No	Yes	No
leave	Yes	No	Yes	No

As verbs, go out and leave are synonyms defined as:

Other synonyms of go out include exit, get out.

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

Other hypernyms of go out include go away, go forth.

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

Other hypernyms of go out include go away, go forth.

go out (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

go out (verb)	leave (verb)
become extinguished	leave unchanged or undisturbed or refrain from taking
move out of or depart from	be survived by after one's death
take the field	leave behind unintentionally
leave the house to go somewhere	go and leave behind, either intentionally or by neglect or forgetfulness
date regularly; have a steady relationship with	move out of or depart from
go out of fashion; become unfashionable	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