lunacy vs buffoonery

lunacy and buffoonery both are nouns.

Word	Noun	Adjective	Verb	Adverb
lunacy	Yes	No	No	No
buffoonery	Yes	No	No	No

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

Other hyponyms of lunacy include meshugaas, mishegaas, mishegoss, clowning, frivolity, harlequinade, japery, prank.

lunacy (noun)	buffoonery (noun)
foolish or senseless behavior	acting like a clown or buffoon
obsolete terms for legal insanity