calling card vs scorecard

calling card

noun
  • 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. 

  • A card advertising the services of a prostitute. 

  • Excrement, especially of a domestic animal. 

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

  • A phonecard. 

scorecard

noun
  • A printed card allowing spectators of a game to identify players and record progress. 

  • A tabular representation of the most important statistics of an innings or match. 

  • A system of ratings. 

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