cerebellar artery vs arteria

cerebellar artery and arteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
cerebellar artery	Yes	No	No	No
arteria	Yes	No	No	No

As nouns, arteria is a hypernym of cerebellar artery; that is, arteria is a word with a broader meaning than cerebellar artery:

Other hypernyms of cerebellar artery include arterial blood vessel, artery.

cerebellar artery (noun)	arteria (noun)
an artery that supplies the cerebellum	a blood vessel that carries blood from the heart to the body