wit vs ribaldry

wit and ribaldry both are nouns.

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

As nouns, ribaldry is a hyponym of wit; that is, ribaldry is a word with a more specific, narrower meaning than wit:

wit: a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
ribaldry: ribald humor

wit (noun)	ribaldry (noun)
mental ability	behavior or language bordering on indelicacy
a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter	ribald humor
a witty amusing person who makes jokes