gravure vs woodcut

gravure

noun
  • A type of intaglio printing process, in which an image is engraved onto a rotating copper cylinder. 

  • A style of Japanese softcore; glamour photography. 

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 gravure and woodcut occurred in a corpus of books? (source: Google Ngram Viewer )