sighthound vs tyke

sighthound

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

tyke

noun
  • A mongrel dog. 

  • A Roman Catholic 

  • An initiation level of sports competition for young children 

  • A small child, especially a cheeky or mischievous one 

  • A person from Yorkshire; a Yorkshireman or Yorkshirewoman 

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