ending vs inception

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"). 

inception

noun
  • A layering, nesting, or recursion of something. 

  • The creation or beginning of something; the establishment. 

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