reproduction vs xylograph

reproduction

noun
  • A copy of something, as in a piece of art; a duplicate. 

  • The act of reproducing new individuals biologically. 

  • The act of making copies. 

  • A method for reproducing a bug or problem. 

xylograph

noun
  • A print taken from such an engraving. 

  • An engraving in wood or woodcut, especially one used in printing predating the Western tradition (14th c.). 

verb
  • To make a print from an engraving in wood. 

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