vena lacrimalis vs vena

vena lacrimalis and vena both are nouns.

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

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

vena lacrimalis: drains the lacrimal gland; empties into the superior ophthalmic vein
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena lacrimalis (noun)	vena (noun)
drains the lacrimal gland; empties into the superior ophthalmic vein	a blood vessel that carries blood from the capillaries toward the heart