gravure vs typescript

gravure

noun
  • A type of intaglio printing process, in which an image is engraved onto a rotating copper cylinder. 

  • A style of Japanese softcore; glamour photography. 

typescript

noun
  • typewritten material, especially such a copy of a manuscript 

verb
  • To transcribe into typewritten form. 

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