basilic vein vs vena basilica

basilic vein and vena basilica both are nouns.

Word	Noun	Adjective	Verb	Adverb
basilic vein	Yes	No	No	No
vena basilica	Yes	No	No	No

As nouns, basilic vein and vena basilica are synonyms defined as:

basilic vein and vena basilica: a vein that drains the back of the hand and forearm and empties into the axillary vein

basilic vein (noun)	vena basilica (noun)
a vein that drains the back of the hand and forearm and empties into the axillary vein	a vein that drains the back of the hand and forearm and empties into the axillary vein