extremity vs haft

extremity

noun
  • A hand or foot. 

  • The most extreme or furthest point of something. 

  • A limb (“major appendage of a human or animal such as an arm, leg, or wing”). 

  • An extreme measure. 

haft

noun
  • The handle of a tool or weapon. 

  • A piece of mountain pasture to which a farm animal has become hefted. 

verb
  • To fit a handle to (a tool or weapon); to grip by the handle 

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