donate vs guerdon

donate

verb
  • To make a donation; to give away something of value to support or contribute towards a cause or for the benefit of another. 

guerdon

verb
  • To give such a reward to. 

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

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