big cat vs jaguar

big cat

noun
  • Any large feline animal, especially one of the Panthera genus, including tigers, lions, jaguars and leopards. 

  • Used other than figuratively or idiomatically: see big, cat. 

jaguar

noun
  • A carnivorous spotted large cat native to South and Central America, Panthera onca. 

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