clouded leopard vs panther

clouded leopard

noun
  • A medium-sized, arboreal cat (Neofelis nebulosa) found in Southeast Asia. It has a disproportionately long tail and canines, and a tawny coat with dark, irregular, oval markings. 

  • Either of the two leopard species, N.nebulosa and N.diardi, together constituting the genus Neofelis. 

panther

noun
  • A creature resembling a big cat with a multicolored hide, found in Ancient Greek mythology. 

  • A cougar; especially the Florida panther. 

  • Any of various big cats with black fur; most especially, the black-coated leopard of India. 

  • A girl, especially a young one, who pursues older men. 

  • Any big cat of the genus Panthera. 

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