vena pharyngeus vs vena

vena pharyngeus and vena both are nouns.

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

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

vena pharyngeus: veins from the pharyngeal plexus that empty into the internal jugular vein
vena: a blood vessel that carries blood from the capillaries toward the heart

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

vena pharyngeus (noun)	vena (noun)
veins from the pharyngeal plexus that empty into the internal jugular vein	a blood vessel that carries blood from the capillaries toward the heart