ending vs leading

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"). 

leading

adj
  • Providing guidance or direction. 

  • Occurring in advance; preceding. 

  • Ranking first. 

noun
  • Vertical space added between lines; line spacing. 

  • An act by which one is led or guided. 

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