delightful vs unattractive

delightful

adj
  • Pleasant; pleasing, bringing enjoyment, satisfaction, or pleasure. 

unattractive

noun
  • An aesthetically unattractive person 

adj
  • Not handsome or beautiful or appealing. 

  • Lacking the power to attract interest. 

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