angiologist vs doc

angiologist and doc both are nouns.

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

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

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

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