coup de théâtre vs whirl

coup de théâtre

noun
  • A theatrical trick or gesture, something staged for dramatic effect. 

  • A sudden or unexpected event in a play, pulled off by the author, the director, or even an actor. 

whirl

noun
  • An act of whirling. 

  • (usually following “give”) A brief experiment or trial. 

  • Something that whirls. 

  • A rapid series of events. 

  • Dizziness or giddiness. 

  • A confused tumult. 

verb
  • To make something or someone whirl. 

  • To have a sensation of spinning or reeling. 

  • To remove or carry quickly with, or as with, a revolving motion; to snatch. 

  • To rotate, revolve, spin or turn rapidly. 

How often have the words coup de théâtre and whirl occurred in a corpus of books? (source: Google Ngram Viewer )