cheetah vs puma

cheetah

noun
  • A distinctive member (Acinonyx jubatus) of the cat family, slightly smaller than the leopard, but with proportionately longer limbs and a smaller head; native to Africa and southeast Asia (where it is nearly extinct) and also credited with being the fastest terrestrial animal. 

puma

noun
  • Any feline belonging to the genus Puma. 

  • A woman in her 20s or 30s who seeks relationships with younger men; a younger cougar. 

  • A mountain lion or cougar (Puma concolor). 

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