clinician vs surgeon

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). 

surgeon

noun
  • One who performs surgery; a doctor who performs operations on people or animals. 

  • A surgeonfish. 

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