tyke vs whelpie

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 

whelpie

noun
  • A small whelp, especially a little cub or puppy; a cur. 

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