devotion vs reliability

devotion

noun
  • The act or state of devoting or being devoted. 

  • Feeling of strong or fervent affection; dedication 

  • Religious veneration, zeal, or piety. 

  • A prayer (often found in the plural) 

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 devotion and reliability occurred in a corpus of books? (source: Google Ngram Viewer )