fidelity vs irreverence

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. 

irreverence

noun
  • The state or quality of being irreverent; want of proper reverence; disregard of the authority and character of a superior. 

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