folder vs handout

folder

noun
  • An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet. 

  • A folding knife, typically a pocketknife. 

  • A virtual container in a computer's file system, in which files and other folders may be stored. The files and subfolders in a folder are usually related. 

  • A machine or person that folds things. 

handout

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

  • A gift, something obtained without effort. 

  • A gift to the poor or needy. 

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