audacity vs endorsement

audacity

noun
  • Insolent boldness, especially when imprudent or unconventional. 

  • Fearlessness, intrepidity or daring, especially with confident disregard for personal safety, conventional thought, or other restrictions. 

endorsement

noun
  • The act or quality of endorsing 

  • Sponsorship, in means of money, by a company, business or enterprise. 

  • An amendment or annotation to an insurance contract or other official document (such as a driving licence). 

  • An instructor's signed acknowledgement of time practising specific flying skills. 

  • Permission to carry out a specific skill or application in a field in which the practitioner already has a general licence. 

  • Support from an important, renowned figure of a media (celebrity, politics, sports, etc.), to get back up. 

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