obnoxious vs unattractive

obnoxious

adj
  • Extremely offensive or unpleasant; very annoying, contemptible, or odious. 

  • Exposed or vulnerable to something, especially harm or injury. 

unattractive

adj
  • Not handsome or beautiful or appealing. 

  • Lacking the power to attract interest. 

noun
  • An aesthetically unattractive person 

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