clinician vs veterinarian

clinician

noun
  • Any healthcare practitioner working at the point of care, in clinical practice (e.g., physicians in clinical medicine, nurses in nursing practice, or allied health providers in practice). 

veterinarian

noun
  • A medical doctor who treats animals. 

adj
  • veterinary 

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