revolving door vs way out

revolving door

noun
  • A system or institution in which people exit and immediately reenter. 

  • A door that rotates around a central pivot. 

  • A movement of personnel between roles as legislators and regulators, on the one hand, and members of the industries affected by the legislation and regulation, on the other. 

  • Synonym of recidivism 

way out

noun
  • A means of exit. 

  • An act or instance of departure. 

  • A solution to a problem; an escape. 

adv
  • Far away; to or at a great distance. 

adj
  • Unconventional, eccentric. 

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