lacquer vs plaster of Paris

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. 

plaster of Paris

noun
  • A hemihydrate of calcium sulfate, made by calcining gypsum, that hardens when moistened and allowed to dry; used to make casts, molds and sculpture. 

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