laryngeal vein vs vena

laryngeal vein and vena both are nouns.

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

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

laryngeal vein: one of two veins draining the larynx
vena: a blood vessel that carries blood from the capillaries toward the heart

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

laryngeal vein (noun)	vena (noun)
one of two veins draining the larynx	a blood vessel that carries blood from the capillaries toward the heart