carnauba vs fan palm

carnauba and fan palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
carnauba	Yes	No	No	No
fan palm	Yes	No	No	No

As nouns, fan palm is a hypernym of carnauba; that is, fan palm is a word with a broader meaning than carnauba:

carnauba: Brazilian fan palm having an edible root; source of a useful leaf fiber and a brittle yellowish wax
fan palm: palm having palmate or fan-shaped leaves

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