bonus vs offering

bonus

noun
  • Something extra that is good; an added benefit. 

  • An extra sum given as a premium, e.g. to an employee or to a shareholder. 

  • An addition to the player's score based on performance, e.g. for time remaining. 

  • One or more free throws awarded to a team when the opposing team has accumulated enough fouls. 

verb
  • To pay a bonus, premium 

offering

noun
  • That which has been offered; a sacrifice. 

  • Something put forth, bid, proffered or tendered, such as for sale 

  • The act by which something is offered. 

  • A contribution given at a religious service. 

  • An oblation or presentation made as a religious act. 

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