show card vs show bill

show card and show bill both are nouns.

Word	Noun	Adjective	Verb	Adverb
show card	Yes	No	No	No
show bill	Yes	No	No	No

As nouns, show card and show bill are synonyms defined as:

Other synonyms of show card include theatrical poster.

show card (noun)	show bill (noun)
a poster advertising a show or play	a poster advertising a show or play