medical intern vs physician

medical intern and physician both are nouns.

Word	Noun	Adjective	Verb	Adverb
medical intern	Yes	No	No	No
physician	Yes	No	No	No

As nouns, physician is a hypernym of medical intern; that is, physician is a word with a broader meaning than medical intern:

medical intern: an advanced student or graduate in medicine gaining supervised practical experience
physician: a licensed medical practitioner

Other hypernyms of medical intern include doc, doctor, Dr., MD, medico.

medical intern (noun)	physician (noun)
an advanced student or graduate in medicine gaining supervised practical experience	a licensed medical practitioner