boredom vs zeal

boredom

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

  • The state of being bored. 

zeal

noun
  • The fervour or tireless devotion for a person, cause, or ideal and determination in its furtherance; diligent enthusiasm; powerful interest. 

  • The collective noun for a group of zebras. 

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