pussy-cat vs sabre-toothed tiger

pussy-cat

noun
  • A pet domestic cat; a pussy. 

  • A gentle or soft-hearted person. 

  • The silky catkin of various willows. 

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