ink vs xylograph

ink

verb
  • To apply ink to; to cover or smear with ink. 

  • To sign (a contract or similar document). 

  • To apply a tattoo to (someone). 

  • to eject ink (sense 3) 

noun
  • Tattoo work. 

  • Publicity. 

  • Cheap red wine. 

  • The black or dark-colored fluid ejected by squid, octopus etc, as a protective strategy. 

  • A pigment (or dye)-based fluid used for writing, printing etc. 

  • A particular type, color or container of this fluid. 

xylograph

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

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.). 

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