pantomimer vs thespian

pantomimer and thespian both are nouns.

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

As nouns, thespian is a hypernym of pantomimer; that is, thespian is a word with a broader meaning than pantomimer:

pantomimer: an actor who communicates entirely by gesture and facial expression
thespian: a theatrical performer

Other hypernyms of pantomimer include actor, histrion, player, role player.

pantomimer (noun)	thespian (noun)
an actor who communicates entirely by gesture and facial expression	a theatrical performer

pantomimer (adjective)	thespian (adjective)
	of or relating to drama