malleate vs palpitate

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. 

palpitate

verb
  • To cause to beat strongly or rapidly. 

  • To beat strongly or rapidly; said especially of the heart. 

  • To shake tremulously 

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