fruitcake vs screwball

fruitcake

noun
  • A crazy or eccentric person. 

  • A cake containing dried fruits and, optionally, nuts, citrus peel and spice. 

screwball

noun
  • One who behaves in a crazy manner. 

  • A pitch thrown with added pressure by the index finger and a twisting wrist motion resulting in a motion to the right when thrown by a right-handed pitcher. 

adj
  • Crazy, offbeat, bizarre, zany, or weird. 

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