foolery vs buffoonery

foolery and buffoonery both are nouns.

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

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

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

foolery (noun)	buffoonery (noun)
foolish or senseless behavior	acting like a clown or buffoon