good faith vs legitimacy

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. 

legitimacy

noun
  • The quality or state of being legitimate or valid; validity. 

  • Lawfulness of birth or origin; directness of descent as affecting the royal succession. 

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