big cat vs puss

big cat

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

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

puss

noun
  • A cat. 

  • The face. 

  • A coward; a wuss; someone who is unable to stand up for themself. 

  • The vulva (female genitalia). 

  • Sex with a woman. 

  • The mouth. 

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