finish line vs terminus

finish line

noun
  • The end of a process. 

  • A line marking the end of a race. 

terminus

noun
  • The end or final point of something. 

  • A boundary or border, or a post or stone marking such a boundary. 

  • The end point of a transportation system, or the town or city in which it is located. 

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