visiting card vs calling card

visiting card and calling card both are nouns.

Word	Noun	Adjective	Verb	Adverb
visiting card	Yes	No	No	No
calling card	Yes	No	No	No

As nouns, visiting card and calling card are synonyms defined as:

visiting card and calling card: a printed or written greeting that is left to indicate that you have visited

Other synonyms of visiting card include card.

visiting card (noun)	calling card (noun)
a printed or written greeting that is left to indicate that you have visited	a distinguishing characteristic or behavior
	a printed or written greeting that is left to indicate that you have visited
	a card that is used instead of cash to make telephone calls