calling card vs visiting card

calling card and visiting card both are nouns.

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

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

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

Other synonyms of calling card include card.

calling card (noun)	visiting card (noun)
a distinguishing characteristic or behavior	a printed or written greeting that is left to indicate that you have visited
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