clown vs whiteface

clown and whiteface both are nouns.

Word	Noun	Adjective	Verb	Adverb
clown	Yes	No	Yes	No
whiteface	Yes	No	No	No

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

Other hyponyms of clown include harlequin, fool, jester, motley fool, zany.

clown (noun)	whiteface (noun)
a person who amuses others by ridiculous behavior	hardy English breed of cattle raised extensively in United States
a rude or vulgar fool	a clown whose face is covered with white make-up

clown (verb)	whiteface (verb)
act as or like a clown