endorse vs guerdon

endorse

verb
  • To give an endorsement. 

  • To report (a symptom); to describe. 

  • To write one's signature on the back of a cheque, or other negotiable instrument, when transferring it to a third party, or cashing it. 

  • To express support or approval, especially officially or publicly. 

noun
  • A diminutive of the pale, usually appearing in pairs on either side of a pale. 

guerdon

verb
  • To give such a reward to. 

noun
  • A reward, prize or recompense for a service; an accolade. 

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