contribution vs handout

contribution

noun
  • An amount of money given toward something. 

  • Something given or offered that adds to a larger whole. 

  • The act of contributing. 

  • The taking part, often with the idea that it has led to (scientific etc.) progress. 

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. 

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