chiselling vs monoprint

chiselling

noun
  • A piece of work produced using a chisel. 

monoprint

noun
  • A form of printing on paper from a glass sheet to which oil paint has been applied; monotype. 

verb
  • To print using this technique. 

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