high muckamuck vs personage

high muckamuck and personage both are nouns.

Word	Noun	Adjective	Verb	Adverb
high muckamuck	Yes	No	No	No
personage	Yes	No	No	No

As nouns, personage is a hypernym of high muckamuck; that is, personage is a word with a broader meaning than high muckamuck:

high muckamuck: an important or influential (and often overbearing) person
personage: a person whose actions and opinions strongly influence the course of events

Other hypernyms of high muckamuck include important person, influential person.

high muckamuck (noun)	personage (noun)
an important or influential (and often overbearing) person	another word for person; a person not meriting identification
	a person whose actions and opinions strongly influence the course of events