ending vs immortal

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"). 

immortal

adj
  • Connected with or relating to immortality. 

  • Never to be forgotten; that merits being always remembered. 

  • Not susceptible to death; living forever; never dying. 

noun
  • One who is not susceptible to death. 

  • A member of an elite regiment of the Persian army. 

  • A member of the Académie française. 

  • An administrator of a multi-user dungeon. 

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