vena bronchialis vs vena

vena bronchialis and vena both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena bronchialis	Yes	No	No	No
vena	Yes	No	No	No

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

vena bronchialis: veins serving the bronchi; empty into the azygos vein
vena: a blood vessel that carries blood from the capillaries toward the heart

Other hypernyms of vena bronchialis include vein, venous blood vessel.

vena bronchialis (noun)	vena (noun)
veins serving the bronchi; empty into the azygos vein	a blood vessel that carries blood from the capillaries toward the heart