monoprint vs woodcut

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. 

woodcut

noun
  • A method of printmaking from such a block. 

  • An engraved block of wood, especially one used as a printing form. 

  • A print produced with this method. 

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