Felis silvestris vs catamountain

Felis silvestris

catamountain

noun
  • A man living in the mountains. 

  • A leopard, a panther (Panthera pardus); also, an ocelot (Leopardus pardalis). 

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