obnoxious vs rebarbative

obnoxious

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

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

rebarbative

adj
  • Irritating, repellent. 

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