lingual vein vs vena lingualis

lingual vein and vena lingualis both are nouns.

Word	Noun	Adjective	Verb	Adverb
lingual vein	Yes	No	No	No
vena lingualis	Yes	No	No	No

As nouns, lingual vein and vena lingualis are synonyms defined as:

lingual vein and vena lingualis: a vein that receives blood from the tongue and the floor of the mouth and empties into the internal jugular or the facial vein

lingual vein (noun)	vena lingualis (noun)
a vein that receives blood from the tongue and the floor of the mouth and empties into the internal jugular or the facial vein	a vein that receives blood from the tongue and the floor of the mouth and empties into the internal jugular or the facial vein