boredom vs preoccupation

boredom

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

  • The state of being bored. 

preoccupation

noun
  • The state of being preoccupied or an idea that preoccupies the mind; enthrallment. 

  • The act of occupying something before someone else. 

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