carnauba vs Copernicia cerifera

carnauba and Copernicia cerifera both are nouns.

Word	Noun	Adjective	Verb	Adverb
carnauba	Yes	No	No	No
Copernicia cerifera	Yes	No	No	No

As nouns, carnauba and Copernicia cerifera are synonyms defined as:

carnauba and Copernicia cerifera: Brazilian fan palm having an edible root; source of a useful leaf fiber and a brittle yellowish wax

Other synonyms of carnauba include carnauba palm, Copernicia prunifera, wax palm.

carnauba (noun)	Copernicia cerifera (noun)
Brazilian fan palm having an edible root; source of a useful leaf fiber and a brittle yellowish wax	Brazilian fan palm having an edible root; source of a useful leaf fiber and a brittle yellowish wax
hard yellowish to brownish wax from leaves of the carnauba palm used especially in floor waxes and polishes