medical practitioner vs veterinary

medical practitioner

noun
  • A person who practices medicine, especially one licensed to do so, such as a physician, dentist, surgeon, or veterinarian. 

veterinary

noun
  • A veterinary surgeon; a veterinarian. 

adj
  • Of or relating to the medical or surgical treatment of animals, especially domestic and farm animals. 

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