politics vs smoke-filled room

politics

noun
  • Political maneuvers or diplomacy between people, groups, or organizations, especially involving power, influence or conflict. 

  • One's political stands and opinions. 

  • The profession of conducting political affairs. 

  • A methodology and activities associated with running a government, an organization, or a movement. 

  • Real-world beliefs and social issues irrelevant to the topic at hand. 

smoke-filled room

noun
  • A place where powerful people meet to decide a matter in secret, often of a political nature. 

  • Used other than figuratively or idiomatically: see smoke, filled, room. 

How often have the words politics and smoke-filled room occurred in a corpus of books? (source: Google Ngram Viewer )