desirable vs obnoxious

desirable

adj
  • Worthy to be desired; pleasing; agreeable. 

noun
  • A thing that people want; something that is desirable. 

obnoxious

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

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

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