harlequinade vs clowning

harlequinade and clowning both are nouns.

Word	Noun	Adjective	Verb	Adverb
harlequinade	Yes	No	No	No
clowning	Yes	No	No	No

As nouns, harlequinade and clowning are synonyms defined as:

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

harlequinade (noun)	clowning (noun)
acting like a clown or buffoon	acting like a clown or buffoon
	a comic incident or series of incidents