eyelet vs mezzotint

eyelet

noun
  • A shaped metal embellishment containing a hole, used in scrapbook. Eyelets are typically set by punching a hole in the page, placing the smooth side of the eyelet on a table, positioning the paper over protruding edge and curling the edge down using a hammer and eyelet setter. 

  • A peephole. 

  • Cotton fabric with small holes. 

  • A little eye. 

  • An object that consists of a rim and small hole or perforation to receive a cord or fastener, as in garments, sails, etc. An eyelet may reinforce a hole. 

  • The contact tip of the base of a light bulb. 

verb
  • To make eyelets in. 

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 

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