vena angularis vs angular vein

vena angularis and angular vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena angularis	Yes	No	No	No
angular vein	Yes	No	No	No

As nouns, vena angularis and angular vein are synonyms defined as:

vena angularis and angular vein: a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein

vena angularis (noun)	angular vein (noun)
a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein	a short vein formed by the supraorbital vein and the supratrochlear vein and continuing as the facial vein