vena cervicalis profunda vs cervical vein

vena cervicalis profunda and cervical vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena cervicalis profunda	Yes	No	No	No
cervical vein	Yes	No	No	No

As nouns, vena cervicalis profunda and cervical vein are synonyms defined as:

vena cervicalis profunda and cervical vein: a vein that accompanies an artery of the same name

Other synonyms of vena cervicalis profunda include deep cervical vein.

vena cervicalis profunda (noun)	cervical vein (noun)
a vein that accompanies an artery of the same name	a vein that accompanies an artery of the same name