collage vs pasticcio

collage

noun
  • The technique of producing a work of art of this kind. 

  • A picture made by sticking other pictures onto a surface. 

  • A composite object or collection (abstract or concrete) created by the assemblage of various media; especially for a work of art such as text, film, etc. 

verb
  • To make into a collage. 

pasticcio

noun
  • An artwork that directly imitates the work of another artist or artists. 

  • A medley; an olio. 

  • A falsified work of art, such as a vase or statue made up of parts of original works, with missing parts supplied. 

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