intern vs physician

intern and physician both are nouns.

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

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

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

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

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

intern (verb)	physician (verb)
deprive of freedom
work as an intern