merry andrew vs jester

merry andrew and jester both are nouns.

Word	Noun	Adjective	Verb	Adverb
merry andrew	Yes	No	No	No
jester	Yes	No	No	No

As nouns, jester is a hyponym of merry andrew; that is, jester is a word with a more specific, narrower meaning than merry andrew:

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

Other hyponyms of merry andrew include harlequin, fool, motley fool, whiteface, zany.

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