confidence vs demurral

confidence

noun
  • A feeling of certainty; firm trust or belief; faith. 

  • Information held in secret; a piece of information shared but to thence be kept in secret. 

  • Self-assurance. 

demurral

noun
  • The act of demurring. 

  • A formal objection. 

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