leisure vs rec

leisure

noun
  • Free time, time free from work or duties. 

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

  • Freedom provided by the cessation of activities. 

rec

noun
  • A recreation ground. 

  • A recommendation or suggestion. 

verb
  • To recommend. 

  • To record. 

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