basilar artery vs arteria basilaris

basilar artery and arteria basilaris both are nouns.

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

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

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

basilar artery (noun)	arteria basilaris (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