freedom vs shore leave

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. 

shore leave

noun
  • Free time given to sailors of the military navy when they are off duty and allowed to disembark and spend time on land. 

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