mummer vs thespian

mummer and thespian both are nouns.

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

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

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

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

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