intarsia vs marquetry

intarsia

noun
  • A decorative form of Italian wood inlaying. 

  • A knitted design resembling a mosaic. 

marquetry

noun
  • A decorative technique in which veneers of wood, ivory, metal etc. are inlaid into a wooden surface to form intricate designs. 

  • An example of this work. 

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