boredom vs gratification

boredom

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

  • The state of being bored. 

gratification

noun
  • The act of gratifying or pleasing, either the mind, or the appetite or taste. 

  • A gratuity; a reward. 

  • A feeling of pleasure; satisfaction. 

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