amputation vs ending

amputation

noun
  • the loss of a limb, etc. through trauma 

  • surgical removal of all or part of a limb, etc. 

ending

noun
  • A termination or conclusion. 

  • The last part of something. 

  • The last morpheme of a word, added to some base to make an inflected form (such as -s in "dogs"). 

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