flagpole vs hold out

flagpole

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

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

hold out

verb
  • To wait, or refuse in hopes of getting something better (from a negotiation, etc.) 

  • To hold (something) out; to extend (something) forward. 

  • To set aside something or save it for later. 

  • To offer, present (a hope, possibility, opportunity etc.) 

  • To withhold something. 

  • To survive, endure. 

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