calling card vs trump

calling card

noun
  • 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. 

  • A phonecard. 

trump

noun
  • A playing card of that suit. 

  • The noise made by an elephant through its trunk. 

  • Something that gives one an advantage, especially one held in reserve. 

  • The suit, in a game of cards, that outranks all others. 

  • An old card game, almost identical to whist; the game of ruff. 

  • A card of the major arcana of the tarot. 

  • Flatulence. 

verb
  • To flatulate. 

  • To blow a trumpet. 

  • To get the better of, or finesse, a competitor. 

  • To play a trump, or to take a trick with a trump. 

  • To play on (a card of another suit) with a trump. 

  • To supersede. 

  • To outweigh; be stronger, greater, bigger than or in other way superior to. 

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