freedom vs get out of jail free card

freedom

noun
  • The state of being free, of not being imprisoned or enslaved. 

  • The lack of a specific constraint, or of constraints in general; a state of being free, unconstrained. 

  • The right or privilege of unrestricted use or access 

  • Frankness; openness; unreservedness. 

  • Improper familiarity; violation of the rules of decorum. 

get out of jail free card

noun
  • something that will relieve an undesired situation 

How often have the words freedom and get out of jail free card occurred in a corpus of books? (source: Google Ngram Viewer )