vena poplitea vs popliteal vein

vena poplitea and popliteal vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena poplitea	Yes	No	No	No
popliteal vein	Yes	No	No	No

As nouns, vena poplitea and popliteal vein are synonyms defined as:

vena poplitea and popliteal vein: a vein arising in the knee and ascending to become the femoral vein

vena poplitea (noun)	popliteal vein (noun)
a vein arising in the knee and ascending to become the femoral vein	a vein arising in the knee and ascending to become the femoral vein