intarsia vs parquetry

intarsia

noun
  • A decorative form of Italian wood inlaying. 

  • A knitted design resembling a mosaic. 

parquetry

noun
  • The technique of applying wooden tiles or veneers to create a decorative geometrical pattern on floors, furniture etc. 

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