mezzotint vs paper cut

mezzotint

noun
  • A form of intaglio etching in which a metal plate is roughened evenly and then smoothed to bring out an image. 

  • An etching or print made using this method. 

verb
  • To make such etchings 

paper cut

noun
  • A decorative ornament made by artful cutting of paper, as into silhouettes. 

  • A wound caused by a piece of paper or any thin, sharp material which can slice through a person's skin. 

  • Any minor harm. 

  • A text-based description of the cuts to be made in raw footage to make finished video. 

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