precision vs reliability

precision

noun
  • The ability of a measurement to be reproduced consistently. 

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

  • 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. 

reliability

noun
  • the ability to measure the same thing consistently (of a measurement indicating the degree to which the measure is consistent); that is, repeated measurements would give the same result (See also validity). 

  • The quality of being reliable, dependable, or trustworthy. 

  • measurable time of work before failure 

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