fidelity vs precision

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. 

precision

noun
  • The state of being precise or exact; exactness. 

  • The number of significant digits to which a value may be measured reliably. 

  • The ability of a measurement to be reproduced consistently. 

  • A bidding system that makes use of many artificial bids to describe a hand quite precisely. 

adj
  • Made, or characterized by accuracy. 

  • Used for exact or precise measurement. 

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