accompanying vein vs vena comitans

accompanying vein and vena comitans both are nouns.

Word	Noun	Adjective	Verb	Adverb
accompanying vein	Yes	No	No	No
vena comitans	Yes	No	No	No

As nouns, accompanying vein and vena comitans are synonyms defined as:

accompanying vein and vena comitans: a vein accompanying another structure; a vein may accompany an artery in such a way that the arterial pulses aid venous return

accompanying vein (noun)	vena comitans (noun)
a vein accompanying another structure; a vein may accompany an artery in such a way that the arterial pulses aid venous return	a vein accompanying another structure; a vein may accompany an artery in such a way that the arterial pulses aid venous return