Nat vs donkey

Nat

noun
  • A member or supporter of the Scottish National Party. 

  • A member or supporter of the Australian National Party. 

  • A member or supporter of the New Zealand National Party. 

name
  • A diminutive of the female given name Natasha, Natalie, Natalia 

  • A diminutive of the male given name Nathanael, Nathaniel, Nathan 

  • A surname 

donkey

noun
  • A bad poker player. 

  • A fool. 

  • A small auxiliary engine. 

  • A domestic animal, Equus asinus asinus, similar to a horse. 

  • A stubborn person. 

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