chump vs fathead

chump

noun
  • An incompetent person, a blockhead; a loser. 

  • The thick end, especially of a piece of wood or of a joint of meat. 

  • A gullible person; a sucker; someone easily taken advantage of; someone lacking common sense. 

fathead

noun
  • An idiot; a fool. 

  • A blobfish, Psychrolutes microporos 

  • Any of several species of fish of the genus Cubiceps 

  • A labroid food fish of California; the California sheephead. Semicossyphus pulcher. 

  • A cyprinid fish of the Mississippi valley, Pimephales promelas, the black-headed minnow. 

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