vena palatina vs palatine vein

vena palatina and palatine vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena palatina	Yes	No	No	No
palatine vein	Yes	No	No	No

As nouns, vena palatina and palatine vein are synonyms defined as:

vena palatina and palatine vein: a vein that drains the region of the palate and empties into the facial vein

vena palatina (noun)	palatine vein (noun)
a vein that drains the region of the palate and empties into the facial vein	a vein that drains the region of the palate and empties into the facial vein