vena trachealis vs vena

vena trachealis and vena both are nouns.

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

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

vena trachealis: several small veins from the trachea
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena trachealis (noun)	vena (noun)
several small veins from the trachea	a blood vessel that carries blood from the capillaries toward the heart