confidence vs good faith

confidence

noun
  • Self-assurance. 

  • 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. 

good faith

noun
  • Good, honest intentions, even if producing unfortunate results. 

adj
  • Having or done with good, honest intentions; well-intentioned. 

  • Presuming that all parties to a discussion are honest and intend to act in a fair and appropriate manner. 

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