wit vs mentality

wit and mentality both are nouns.

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

As nouns, wit and mentality are synonyms defined as:

Other synonyms of wit include brain, brainpower, learning ability, mental capacity.

wit (noun)	mentality (noun)
mental ability	mental ability
a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter	a habitual or characteristic mental attitude that determines how you will interpret and respond to situations
a witty amusing person who makes jokes