vena intervertebralis vs intervertebral vein

vena intervertebralis and intervertebral vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena intervertebralis	Yes	No	No	No
intervertebral vein	Yes	No	No	No

As nouns, vena intervertebralis and intervertebral vein are synonyms defined as:

vena intervertebralis and intervertebral vein: one of several veins accompanying spinal nerves

vena intervertebralis (noun)	intervertebral vein (noun)
one of several veins accompanying spinal nerves	one of several veins accompanying spinal nerves