ocelot vs sabre-toothed tiger

ocelot

noun
  • An American feline carnivore (Leopardus pardalis, syn. Felis pardalis) covered with blackish ocellated spots and blotches which are variously arranged. 

sabre-toothed tiger

noun
  • Any of numerous species of extinct cat-like mammals, of the Machairodontinae subfamily of the Felidae. 

How often have the words ocelot and sabre-toothed tiger occurred in a corpus of books? (source: Google Ngram Viewer )