byplay vs shtick

byplay and shtick both are nouns.

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

As nouns, shtick is a hyponym of byplay; that is, shtick is a word with a more specific, narrower meaning than byplay:

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

Other hyponyms of byplay include schtick, schtik, shtik.

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