method acting vs performing

method acting and performing both are nouns.

Word	Noun	Adjective	Verb	Adverb
method acting	Yes	No	No	No
performing	Yes	No	No	No

As nouns, performing is a hypernym of method acting; that is, performing is a word with a broader meaning than method acting:

method acting: an acting technique introduced by Stanislavsky in which the actor recalls emotions or reactions from his or her own life and uses them to identify with the character being portrayed
performing: the performance of a part or role in a drama

Other hypernyms of method acting include acting, playacting, playing.

method acting (noun)	performing (noun)
an acting technique introduced by Stanislavsky in which the actor recalls emotions or reactions from his or her own life and uses them to identify with the character being portrayed	the performance of a part or role in a drama