embellish vs mezzotint

embellish

verb
  • To make more beautiful and attractive by adding ornamentation; to decorate. 

  • To enhance by adding something not strictly integral or necessary. 

  • To make something sound or look better or more acceptable than it is in reality; to distort, to embroider. 

mezzotint

verb
  • To make such etchings 

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. 

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