pantomimer vs pantomimist

pantomimer and pantomimist both are nouns.

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

As nouns, pantomimer and pantomimist are synonyms defined as:

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

Other synonyms of pantomimer include mime, mimer, mummer.

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