Nat vs wazzer

Nat

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

  • A member or supporter of the Scottish 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 

wazzer

noun
  • A stupid or annoying person; a wazzock. 

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