charade vs dumb show

charade

noun
  • A deception or pretense, originally an absurdly obvious one but now in general use. 

  • A single round of the game charades, an acted form of the earlier riddles. 

verb
  • To act out a charade (of); to gesture; to pretend. 

dumb show

noun
  • The use of gesture in an attempt to convey meaning. 

  • A performance during which the players do not speak; mime. 

How often have the words charade and dumb show occurred in a corpus of books? (source: Google Ngram Viewer )