Airedale vs dachshund

Airedale

noun
  • An Airedale terrier. 

  • A member of aviation personnel. 

name
  • The valley of the River Aire in North Yorkshire and West Yorkshire, England. 

dachshund

noun
  • A certain breed of dog having short legs and a long trunk, including standard-sized, miniature (smooth-haired, long-haired, and short-haired) varieties. 

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