malleate vs triturate

malleate

verb
  • To beat into shape with a hammer. 

adj
  • Possessing or resembling a malleus, or another structure shaped like a hammer. 

  • Having a surface with shallow round indentations, resembling copper that has been hammered. 

triturate

verb
  • To grind to a fine powder, to pulverize. 

  • To break up biological tissue into individual cells via passage through a narrow opening such as a hypodermic needle. 

  • To mix two solid reactants by repeated grinding and stirring. 

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