dreaminess vs preoccupation

dreaminess

noun
  • The characteristic of being dreamy. 

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 dreaminess and preoccupation occurred in a corpus of books? (source: Google Ngram Viewer )