freedom vs permission

freedom

noun
  • The right or privilege of unrestricted use or access 

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

  • Frankness; openness; unreservedness. 

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

  • Improper familiarity; violation of the rules of decorum. 

permission

noun
  • The act of permitting. 

  • authorisation; consent (especially formal consent from someone in authority) 

  • Flags or access control lists pertaining to a file that dictate who can access it, and how. 

verb
  • To grant or obtain authorization for. 

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