free pass vs leisure

free pass

noun
  • An exemption from normal processes. 

  • An intentional walk. 

  • A document entitling the bearer to free transportation. 

leisure

noun
  • Freedom provided by the cessation of activities. 

  • Free time, time free from work or duties. 

  • Time at one's command, free from engagement; convenient opportunity; hence, convenience; ease. 

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