endorsement vs ovation

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. 

ovation

noun
  • A (ceremony for the) recognition of some achievement. 

  • Prolonged enthusiastic applause. 

  • A victory ceremony of less importance than a triumph. 

verb
  • To give (someone) an ovation (prolonged enthusiastic applause). 

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