neddy vs side horse

neddy

noun
  • A horse, especially a racehorse. 

  • An idiot; a stupid or contemptible person. 

  • A donkey or ass. 

  • The horse races. 

  • Horsepower. 

side horse

noun
  • A pommel horse 

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