high muckamuck vs panjandrum

high muckamuck and panjandrum both are nouns.

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

As nouns, high muckamuck and panjandrum are synonyms defined as:

high muckamuck and panjandrum: an important or influential (and often overbearing) person

Other synonyms of high muckamuck include dignitary, high-up, very important person, VIP.

high muckamuck (noun)	panjandrum (noun)
an important or influential (and often overbearing) person	an important or influential (and often overbearing) person