breadth vs mezzotint

breadth

noun
  • A piece of fabric of standard width. 

  • The extent or measure of how broad or wide something is. 

  • A style in painting in which details are strictly subordinated to the harmony of the whole composition. 

  • The length of the longest path between two vertices in a graph. 

  • Scope or range, especially of knowledge or skill. 

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 breadth and mezzotint occurred in a corpus of books? (source: Google Ngram Viewer )