acceptable vs obnoxious

acceptable

adj
  • Barely worthy, less than excellent; passable. 

  • worthy, decent, sure of being accepted or received with at least moderate pleasure 

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 acceptable and obnoxious occurred in a corpus of books? (source: Google Ngram Viewer )