overacting vs playing

overacting and playing both are nouns.

Word	Noun	Adjective	Verb	Adverb
overacting	Yes	No	No	No
playing	Yes	No	No	No

As nouns, playing is a hypernym of overacting; that is, playing is a word with a broader meaning than overacting:

Other hypernyms of overacting include acting, performing, playacting.

overacting (noun)	playing (noun)
poor acting by a ham actor	the action of taking part in a game or sport or other recreation
	the act of playing a musical instrument
	the performance of a part or role in a drama