vernix vs vernix caseosa

vernix and vernix caseosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
vernix	Yes	No	No	No
vernix caseosa	Yes	No	No	No

As nouns, vernix and vernix caseosa are synonyms defined as:

vernix and vernix caseosa: a white cheeselike protective material that covers the skin of a fetus

vernix (noun)	vernix caseosa (noun)
a white cheeselike protective material that covers the skin of a fetus	a white cheeselike protective material that covers the skin of a fetus