vesical vein vs vena

vesical vein and vena both are nouns.

Word	Noun	Adjective	Verb	Adverb
vesical vein	Yes	No	No	No
vena	Yes	No	No	No

As nouns, vena is a hypernym of vesical vein; that is, vena is a word with a broader meaning than vesical vein:

vesical vein: veins that drain the vesical plexus and join the internal iliac veins
vena: a blood vessel that carries blood from the capillaries toward the heart

Other hypernyms of vesical vein include vein, venous blood vessel.

vesical vein (noun)	vena (noun)
veins that drain the vesical plexus and join the internal iliac veins	a blood vessel that carries blood from the capillaries toward the heart