flagpole vs terminus

flagpole

noun
  • A tall pole up which one or more flags may be raised and flown. 

verb
  • Exit a country momentarily and reenter. Usually this is done to satisfy immigration requirements. 

terminus

noun
  • 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. 

  • The end or final point of something. 

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