esprit de l'escalier vs wit

esprit de l'escalier and wit both are nouns.

Word	Noun	Adjective	Verb	Adverb
esprit de l'escalier	Yes	No	No	No
wit	Yes	No	No	No

As nouns, wit is a hypernym of esprit de l'escalier; that is, wit is a word with a broader meaning than esprit de l'escalier:

esprit de l'escalier: a witty remark that occurs to you too late
wit: a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter

Other hypernyms of esprit de l'escalier include humor, humour, witticism, wittiness.

esprit de l'escalier (noun)	wit (noun)
a witty remark that occurs to you too late	mental ability
	a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
	a witty amusing person who makes jokes