compliance vs green light

compliance

noun
  • An act of complying. 

  • The tendency of conforming with or agreeing to the wishes of others. 

  • A measure of the extension or displacement of a loaded structure; its flexibility 

  • The state of being compliant. 

  • The department of a business that ensures all government regulations are complied with. 

  • The accuracy with which a patient follows an agreed treatment plan 

green light

noun
  • Approval, or permission to proceed. 

  • A go-ahead to commit a crime, specifically to carry out a hit on someone (i.e. to kill). 

  • A traffic light in its green state (indicating that vehicles may proceed). 

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