coronary-artery disease vs arterial sclerosis

coronary-artery disease and arterial sclerosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
coronary-artery disease	Yes	No	No	No
arterial sclerosis	Yes	No	No	No

As nouns, coronary-artery disease and arterial sclerosis are synonyms defined as:

coronary-artery disease and arterial sclerosis: sclerosis of the arterial walls

Other synonyms of coronary-artery disease include arteriosclerosis, hardening of the arteries, induration of the arteries.

coronary-artery disease (noun)	arterial sclerosis (noun)
sclerosis of the arterial walls	sclerosis of the arterial walls