shtick vs frivolity

shtick and frivolity both are nouns.

Word	Noun	Adjective	Verb	Adverb
shtick	Yes	No	No	No
frivolity	Yes	No	No	No

As nouns, frivolity is a hypernym of shtick; that is, frivolity is a word with a broader meaning than shtick:

Other hypernyms of shtick include buffoonery, clowning, harlequinade, japery, prank.

shtick (noun)	frivolity (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	something of little value or significance
(Yiddish) a devious trick; a bit of cheating	the trait of being frivolous; not serious or sensible
(Yiddish) a little; a piece