borzoi vs gazehound

borzoi

noun
  • A dog of a particular breed, similar in shape to a greyhound but with longer silkier hair. 

gazehound

noun
  • Synonym of sighthound (“a hound that primarily hunts by sight and speed, instead of by scent and endurance”) 

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