schtick vs stage business

schtick and stage business both are nouns.

Word	Noun	Adjective	Verb	Adverb
schtick	Yes	No	No	No
stage business	Yes	No	No	No

As nouns, stage business is a hypernym of schtick; that is, stage business is a word with a broader meaning than schtick:

schtick: (Yiddish) a contrived and often used bit of business that a performer uses to steal attention
stage business: incidental activity performed by an actor for dramatic effect

Other hypernyms of schtick include business, byplay.

schtick (noun)	stage business (noun)
(Yiddish) a contrived and often used bit of business that a performer uses to steal attention	incidental activity performed by an actor for dramatic effect
(Yiddish) a prank or piece of clowning
(Yiddish) a devious trick; a bit of cheating
(Yiddish) a little; a piece