boredom vs leisure

boredom

noun
  • An instance or period of being bored; A bored state. 

  • The state of being bored. 

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. 

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