Claret vs thoroughbred

Claret

noun
  • someone connected with Burnley Football Club, as a fan, player, coach etc. 

thoroughbred

noun
  • A well-bred person. 

  • A person of uncommon strength or endurance (like that of a thoroughbred horse). 

  • Any purebred horse. 

adj
  • well-bred and properly educated. 

  • Bred from pure stock. 

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