chisel vs putty knife

chisel

noun
  • A cutting tool used to remove parts of stone, wood or metal by pushing or pounding the back when the sharp edge is against the material. It consists of a slim, oblong block of metal with a sharp wedge or bevel formed on one end and sometimes a handle at the other end. 

  • Gravel. 

  • Coarse flour; bran; the coarser part of bran or flour. 

verb
  • To cheat, to get something from (someone) by cheating. 

  • To use a chisel. 

  • To work something with a chisel. 

putty knife

noun
  • A similar tool with a wide, flat blade used by painters, plasterers, and carpenters to spread putty to fill holes and cracks. 

  • A hand tool with a flexible blade used by glaziers to apply putty to seal window panes to the frame and mullions. 

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