mummer vs pantomimist

mummer and pantomimist both are nouns.

Word	Noun	Adjective	Verb	Adverb
mummer	Yes	No	No	No
pantomimist	Yes	No	No	No

As nouns, mummer and pantomimist are synonyms defined as:

mummer and pantomimist: an actor who communicates entirely by gesture and facial expression

Other synonyms of mummer include mime, mimer, pantomimer.

mummer (noun)	pantomimist (noun)
an actor who communicates entirely by gesture and facial expression	an actor who communicates entirely by gesture and facial expression