obnoxious vs off-putting

obnoxious

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

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

off-putting

adj
  • Disconcerting, annoying or repulsive; tending to put off. 

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