execrable vs obnoxious

execrable

adj
  • Hateful. 

  • Of the poorest quality. 

obnoxious

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

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

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