consistence vs reliability

consistence

noun
  • Logical consistency; lack of self-contradiction. 

  • The staying together, or remaining in close relation, of non-physical things. 

reliability

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

  • 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). 

  • measurable time of work before failure 

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