conscience vs reluctance

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. 

reluctance

noun
  • Hesitancy in taking some action. 

  • That property of a magnetic circuit analogous to resistance in an electric circuit. 

  • Unwillingness to do something. 

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