Answer:
Physician and resident
Step-by-step explanation:
The intern in their first year, the physician is a medical doctor. It can be D.O or can be M.D. Physician is a graduate in their training and provide care to people. A physician could be referred to as the doctor but all physicians can not be a doctor.
On the other hand, the resident, follow the intern year. when a physician cleared their exam of the third level, may practice as a practitioner. They can practice independently.