bunco vs fidelity

bunco

verb
  • To swindle (someone). 

noun
  • A parlour game played in teams with three dice, originating in England but popular among suburban women in the United States at the beginning of the 21st century. 

  • A swindle or confidence trick. 

  • A brigand. 

fidelity

noun
  • Accuracy, or exact correspondence to some given quality or fact. 

  • Faithfulness to one's duties. 

  • Loyalty to one's spouse or partner, including abstention from cheating or extramarital affairs. 

  • The degree to which a system accurately reproduces an input. 

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