house cat vs sabre-toothed tiger

house cat

noun
  • A domestic cat, Felis catus or Felis silvestris catus, commonly kept as a pet animal. 

  • A pet cat that is confined to, or almost permanently resides, inside the house. 

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 house cat and sabre-toothed tiger occurred in a corpus of books? (source: Google Ngram Viewer )