Grain vs Paddy

Grain

name

  • A village on the Isle of Grain, Medway borough, Kent, England (OS grid ref TQ8876). 

  • A surname. 

Paddy

name

  • An Irish nickname for Patrick. 

noun

  • An Irish person. 

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