pariah dog vs yellow dog

pariah dog

noun
  • Synonym of pye-dog: a half-wild stray dog, particularly in Indian contexts. 

yellow dog

noun
  • Used other than figuratively or idiomatically: see yellow, dog. 

  • An item or person of low value. 

  • A Carolina dog. 

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