schtik vs japery

schtik and japery both are nouns.

Word	Noun	Adjective	Verb	Adverb
schtik	Yes	No	No	No
japery	Yes	No	No	No

As nouns, japery is a hypernym of schtik; that is, japery is a word with a broader meaning than schtik:

Other hypernyms of schtik include buffoonery, clowning, frivolity, harlequinade, prank.

schtik (noun)	japery (noun)
(Yiddish) a contrived and often used bit of business that a performer uses to steal attention	acting like a clown or buffoon
(Yiddish) a prank or piece of clowning
(Yiddish) a devious trick; a bit of cheating
(Yiddish) a little; a piece