inscribe vs mezzotint

inscribe

verb
  • To write or cut (words) onto (something, especially a hard surface, or a book to be given to another person); to engrave. 

  • To draw a circle, sphere, etc. inside a polygon, polyhedron, etc. and tangent to all its sides. 

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