Mickey vs Pinhead

Mickey

noun

  • A Catholic. 

  • A 375-milliliter (13.2 imperial fluid ounce; 12.7 US fl oz) bottle of liquor, such as whiskey. 

  • A Mickey Finn; a beverage, usually alcoholic, that has been drugged. 

name

  • A diminutive of the male given names Michael, Mike or Mick. 

  • A diminutive of the female given name Michaela. 

Pinhead

noun

  • A member of the Provisional IRA. 

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