comfort vs conscience

comfort

verb
  • To relieve the distress or suffering of; to provide comfort to. 

  • To make comfortable. 

noun
  • A cause of relief or satisfaction. 

  • Something that offers comfort. 

  • A consolation; something relieving suffering or worry. 

  • Contentment, ease. 

conscience

noun
  • A personification of the moral sense of right and wrong, usually in the form of a person, a being or merely a voice that gives moral lessons and advices. 

  • The moral sense of right and wrong, chiefly as it affects a person’s own behaviour and forms their attitude to their past actions. 

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