overburden vs please

overburden

verb
  • To overload or overtax. 

noun
  • A sterile stratum that lies above the stratum being investigated 

  • The rock and subsoil that lies above a mineral deposit such as a coal seam. 

please

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

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

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 overburden and please occurred in a corpus of books? (source: Google Ngram Viewer )