affiche vs folder

affiche

noun
  • A written or printed notice to be posted, as on a wall; a poster; a placard. 

verb
  • To fix, fasten; to fix a poster or placard to a wall. 

  • To parade, to advertise, publicise; to display, show. 

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. 

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