superior pulmonary vein vs vena pulmonalis superior

superior pulmonary vein and vena pulmonalis superior both are nouns.

Word	Noun	Adjective	Verb	Adverb
superior pulmonary vein	Yes	No	No	No
vena pulmonalis superior	Yes	No	No	No

As nouns, superior pulmonary vein and vena pulmonalis superior are synonyms defined as:

superior pulmonary vein and vena pulmonalis superior: either of two pulmonary veins (left and right) returning blood from the superior lobes of the lungs

superior pulmonary vein (noun)	vena pulmonalis superior (noun)
either of two pulmonary veins (left and right) returning blood from the superior lobes of the lungs	either of two pulmonary veins (left and right) returning blood from the superior lobes of the lungs