acerbate vs please

acerbate

verb
  • To make bitter or sour. 

  • To exasperate; to irritate. 

adj
  • Embittered; having a sour disposition or nature. 

please

verb
  • To make happy or satisfy; to give pleasure to. 

  • To desire; to will; to be pleased by. 

adv
  • An expression of annoyance or impatience. 

  • Said as a request to repeat information. 

  • Used to make a polite request. 

  • Used as an affirmative to an offer. 

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