cohune palm vs feather palm

cohune palm and feather palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
cohune palm	Yes	No	No	No
feather palm	Yes	No	No	No

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

cohune palm: tropical American feather palm whose large nuts yield valuable oil and a kind of vegetable ivory
feather palm: palm having pinnate or featherlike leaves

cohune palm (noun)	feather palm (noun)
tropical American feather palm whose large nuts yield valuable oil and a kind of vegetable ivory	palm having pinnate or featherlike leaves