Animal vs Rover

Animal

name
  • A nickname given to people, especially wild people. 

noun
  • A fan of Kesha, an American singer. 

Rover

name
  • A stereotypical name for a dog. 

  • A former make of British motor car. 

noun
  • A member of the senior section of the Boy Scout movement catering for men of age 18 upwards, now disbanded. 

  • someone connected with Blackburn Rovers FC, as a fan, player, coach etc. 

  • someone connected with any number of teams called the Rovers, as a fan, player, coach etc. 

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