Delete vs chisel

Delete

noun
  • A key that may be pressed to delete something (such as text or files) from a computer. The key also erases text from left to right, unlike the backspace key. 

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. 

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