fidelity vs intrigue

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. 

intrigue

verb
  • To have clandestine or illicit intercourse. 

  • To conceive or carry out a secret plan intended to harm; to form a plot or scheme. 

  • To fill with artifice and duplicity; to complicate. 

  • To arouse the interest of; to fascinate. 

noun
  • A complicated or clandestine plot or scheme intended to effect some purpose by secret artifice; conspiracy; stratagem. 

  • The plot of a play, poem or romance; the series of complications in which a writer involves their imaginary characters. 

  • Clandestine intercourse between persons; illicit intimacy; a liaison or affair. 

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