arteria basilaris vs basilar artery

arteria basilaris and basilar artery both are nouns.

Word	Noun	Adjective	Verb	Adverb
arteria basilaris	Yes	No	No	No
basilar artery	Yes	No	No	No

As nouns, arteria basilaris and basilar artery are synonyms defined as:

arteria basilaris and basilar artery: an unpaired artery; supplies the pons and cerebellum and the back part of the cerebrum and the inner ear

arteria basilaris (noun)	basilar artery (noun)
an unpaired artery; supplies the pons and cerebellum and the back part of the cerebrum and the inner ear	an unpaired artery; supplies the pons and cerebellum and the back part of the cerebrum and the inner ear