infatuation vs preoccupation

infatuation

noun
  • Something which infatuates. 

  • An immensely strong love or sexual attraction. 

preoccupation

noun
  • The act of occupying something before someone else. 

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

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