Rover vs canine

Rover

name
  • A former make of British motor car. 

  • A stereotypical name for a dog. 

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. 

canine

adj
  • Of, or pertaining to, a dog or dogs. 

  • Dog-like. 

  • Of or pertaining to mammalian teeth which are cuspids or fangs. 

noun
  • Any member of Caninae, the only living subfamily of Canidae. 

  • A king and a nine as a starting hand in Texas hold 'em due to phonetic similarity. 

  • Any of certain extant canids regarded as similar to the dog or wolf (including coyotes, jackals, etc.) but distinguished from the vulpines, which are regarded as fox-like. 

  • In heterodont mammals, the pointy tooth between the incisors and the premolars; a cuspid. 

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