bobcat vs great cat

bobcat

noun
  • A North American wildcat, Lynx rufus, having tufted ears and a short tail. 

  • A multi-purpose construction vehicle, akin to a smaller version of a front-end loader or a backhoe (backhoe loader), with a one-man caged control cabin. 

great 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 great, cat. 

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