boredom vs enthrallment

boredom

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

  • The state of being bored. 

enthrallment

noun
  • The act of enthralling or the state of being enthralled 

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