concern vs please

concern

verb
  • To engage by feeling or sentiment; to interest. 

  • To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to. 

  • To make somebody worried. 

noun
  • The placement of interest or worry on a subject. 

  • The expression of solicitude, anxiety, or compassion toward a thing or person. 

  • That which affects one’s welfare or happiness. A matter of interest to someone. 

  • A worry; a sense that something may be wrong; an identification of a possible problem. 

  • A business, firm or enterprise; a company. 

  • Any set of information that affects the code of a computer program. 

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