precision vs rigor

precision

noun
  • 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. 

  • The state of being precise or exact; exactness. 

adj
  • Made, or characterized by accuracy. 

  • Used for exact or precise measurement. 

rigor

noun
  • A feeling of cold with shivering accompanied by a rise in body temperature. 

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