arteriosclerosis vs arterial sclerosis

arteriosclerosis and arterial sclerosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteriosclerosis	Yes	No	No	No
arterial sclerosis	Yes	No	No	No

As nouns, arteriosclerosis and arterial sclerosis are synonyms defined as:

arteriosclerosis and arterial sclerosis: sclerosis of the arterial walls

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

arteriosclerosis (noun)	arterial sclerosis (noun)
sclerosis of the arterial walls	sclerosis of the arterial walls