wittiness vs wit

wittiness and wit both are nouns.

Word	Noun	Adjective	Verb	Adverb
wittiness	Yes	No	No	No
wit	Yes	No	No	No

As nouns, wittiness and wit are synonyms defined as:

wittiness and wit: a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter

Other synonyms of wittiness include humor, humour, witticism.

wittiness (noun)	wit (noun)
The quality of being clever, amusingly ingenious.	mental ability
a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter	a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
	a witty amusing person who makes jokes