handout vs pourboire

handout

noun
  • A gift to the poor or needy. 

  • A gift, something obtained without effort. 

  • A worksheet, leaflet, or pamphlet that is given out (usually by hand) for a certain use. 

pourboire

noun
  • A bribe. 

  • A tip (extra money given to e.g. a waiter in appreciation of service), especially in French contexts. 

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