monoprint vs strike off

monoprint

verb
  • To print using this technique. 

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

strike off

verb
  • To print. 

  • To separate by a blow. 

  • To remove from a list or register. 

  • To erase from an account; to deduct. 

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