canine vs pet

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. 

pet

adj
  • Kept or treated as a pet. 

  • Favourite; cherished; the focus of one's (usually positive) attention. 

verb
  • To stroke or fondle (another person) amorously. 

  • To stroke or fondle (an animal). 

noun
  • Something kept as a companion, including inanimate objects. (pet rock, pet plant, etc.) 

  • One who is excessively loyal to a superior and receives preferential treatment. 

  • A fit of petulance, a sulk, arising from the impression that one has been offended or slighted. 

  • An animal kept as a companion. 

  • Any person or animal especially cherished and indulged; a darling. 

  • A term of endearment usually applied to women and children. 

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