angiologist vs physician

angiologist and physician both are nouns.

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

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

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

angiologist (noun)	physician (noun)
a physician who specializes in angiology	a licensed medical practitioner