show bill vs show card

show bill and show card both are nouns.

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

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

Other synonyms of show bill include theatrical poster.

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