backroom vs legislature

backroom

noun
  • A room near the rear of a premises, especially one that is only accessible to a privileged few and can be used as an inconspicuous meeting place. 

adj
  • Characterized by secrecy or anonymity. 

  • Of, relating to, or happening in a backroom. 

legislature

noun
  • A legislative building. 

  • A governmental body with the power to make, amend and repeal laws. 

  • The legislative assembly of a province or territory, as opposed to the federal parliament. 

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