japan vs lacquer

japan

noun
  • A hard black enamel varnish containing asphalt. 

  • Lacquerware. 

verb
  • To varnish with japan. 

lacquer

noun
  • A glossy, resinous material used as a surface coating; either a natural exudation of certain trees, or a solution of nitrocellulose in alcohol, etc. 

  • A similar finish, baked onto the inside of cans. 

verb
  • To apply a lacquer to something or to give something a smooth, glossy finish. 

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