jester vs goof

jester and goof both are nouns.

Word	Noun	Adjective	Verb	Adverb
jester	Yes	No	No	No
goof	Yes	No	Yes	No

As nouns, goof is a hypernym of jester; that is, goof is a word with a broader meaning than jester:

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

Other hypernyms of jester include buffoon, clown, goofball, merry andrew.

jester (noun)	goof (noun)
a professional clown employed to entertain a king or nobleman in the Middle Ages	a man who is a stupid incompetent fool
	a person who amuses others by ridiculous behavior

jester (verb)	goof (verb)
	commit a faux pas or a fault or make a serious mistake