douchebag vs jackass

douchebag

noun
  • A jerk or asshole; a mean or rude person; someone seen as being arrogant, snobby or obnoxious. 

  • A sterile container which holds the fluid used for giving a vaginal douche. 

  • Any social misfit; a doofus, dork, or nerd. 

jackass

noun
  • An inappropriately rude or obnoxious person. 

  • A male donkey. 

  • A foolish or stupid person. 

  • A jack and an ace as a starting hand in Texas hold 'em. 

  • A kind of bootleg liquor. 

verb
  • To behave very obnoxiously. 

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