buffoon vs muggins

buffoon and muggins both are nouns.

Word	Noun	Adjective	Verb	Adverb
buffoon	Yes	No	No	No
muggins	Yes	No	No	No

As nouns, muggins is a hypernym of buffoon; that is, muggins is a word with a broader meaning than buffoon:

Other hypernyms of buffoon include fool, sap, saphead, tomfool.

buffoon (noun)	muggins (noun)
a person who amuses others by ridiculous behavior	a person who lacks good judgment
a rude or vulgar fool