calling card vs pasteboard

calling card

noun
  • A phonecard. 

  • A card advertising the services of a prostitute. 

  • Excrement, especially of a domestic animal. 

  • A small printed card which identifies the bearer, traditionally presented for introduction when making a social visit to a home or when attending a formal social event or business meeting. 

  • An attribute, symptom, object, or behavior which is distinctly characteristic of someone or something. 

pasteboard

noun
  • Card stock. 

  • A widget allowing multiple users to paste and share text or other items. 

adj
  • unsubstantial; flimsy 

How often have the words calling card and pasteboard occurred in a corpus of books? (source: Google Ngram Viewer )