end of the line vs finis

end of the line

noun
  • The final cessation or discontinuance of a process, institution, or person, especially one which has existed for a considerable period of time; death. 

  • The termination point of a railway or similar transportation system. 

finis

noun
  • The end (of a book or other work). 

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