mime vs playacting

mime and playacting both are nouns.

Word	Noun	Adjective	Verb	Adverb
mime	Yes	No	Yes	No
playacting	Yes	No	No	No

As nouns, playacting is a hypernym of mime; that is, playacting is a word with a broader meaning than mime:

Other hypernyms of mime include acting, performing, playing.

mime (noun)	playacting (noun)
a performance using gestures and body movements without words	the performance of a part or role in a drama
an actor who communicates entirely by gesture and facial expression

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