dickhead vs doilem

dickhead

noun
  • A stupid or useless person. 

  • A jerk; a mean or rude person. 

  • The glans penis. 

doilem

noun
  • A stupid person, an idiot, a fool, a halfwit or Mund. 

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