motley fool vs merry andrew

motley fool and merry andrew both are nouns.

Word	Noun	Adjective	Verb	Adverb
motley fool	Yes	No	No	No
merry andrew	Yes	No	No	No

As nouns, merry andrew is a hypernym of motley fool; that is, merry andrew is a word with a broader meaning than motley fool:

motley fool: a professional clown employed to entertain a king or nobleman in the Middle Ages
merry andrew: a person who amuses others by ridiculous behavior

Other hypernyms of motley fool include buffoon, clown, goof, goofball.

motley fool (noun)	merry andrew (noun)
a professional clown employed to entertain a king or nobleman in the Middle Ages	a person who amuses others by ridiculous behavior