vena peroneus vs peroneal vein

vena peroneus and peroneal vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena peroneus	Yes	No	No	No
peroneal vein	Yes	No	No	No

As nouns, vena peroneus and peroneal vein are synonyms defined as:

vena peroneus and peroneal vein: accompany the peroneal arteries; arising in the heel and running up the back of the leg to join the posterior tibial veins of the popliteal vein

Other synonyms of vena peroneus include fibular vein.

vena peroneus (noun)	peroneal vein (noun)
accompany the peroneal arteries; arising in the heel and running up the back of the leg to join the posterior tibial veins of the popliteal vein	accompany the peroneal arteries; arising in the heel and running up the back of the leg to join the posterior tibial veins of the popliteal vein