intaglio vs monoprint

intaglio

noun
  • Any printing method in which the ink is laid upon the sunken parts of the printing form. 

  • A design or piece of art which is engraved or etched into something. 

verb
  • To engrave or etch using intaglio. 

monoprint

noun
  • A form of printing on paper from a glass sheet to which oil paint has been applied; monotype. 

verb
  • To print using this technique. 

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