dachshund vs sighthound

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. 

sighthound

noun
  • A hound that primarily hunts by sight and speed, instead of by scent and endurance. 

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