gee-gee vs neddy

gee-gee

noun

  • A horse. 

neddy

noun

  • A horse, especially a racehorse. 

  • An idiot; a stupid or contemptible person. 

  • A donkey or ass. 

  • The horse races. 

  • Horsepower. 

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