furbish vs japan

furbish

verb

  • To polish or burnish. 

  • To renovate or recondition. 

japan

noun

  • A hard black enamel varnish containing asphalt. 

  • Lacquerware. 

verb

  • To varnish with japan. 

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