mime vs dumb show

mime and dumb show both are nouns.

Word	Noun	Adjective	Verb	Adverb
mime	Yes	No	Yes	No
dumb show	Yes	No	No	No

As nouns, mime and dumb show are synonyms defined as:

mime and dumb show: a performance using gestures and body movements without words

Other synonyms of mime include pantomime.

mime (noun)	dumb show (noun)
a performance using gestures and body movements without words	a performance using gestures and body movements without words
an actor who communicates entirely by gesture and facial expression

mime (verb)	dumb show (verb)
act out without words but with gestures and bodily movements only
imitate (a person or manner), especially for satirical effect