appealing vs unattractive

appealing

noun
  • The act of making an appeal. 

adj
  • Having appeal; attractive. 

unattractive

noun
  • An aesthetically unattractive person 

adj
  • Not handsome or beautiful or appealing. 

  • Lacking the power to attract interest. 

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