buffoonery vs frivolity

buffoonery and frivolity both are nouns.

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

As nouns, buffoonery and frivolity are synonyms defined as:

Other synonyms of buffoonery include clowning, harlequinade, japery, prank.

buffoonery (noun)	frivolity (noun)
acting like a clown or buffoon	acting like a clown or buffoon
	something of little value or significance
	the trait of being frivolous; not serious or sensible