areca vs feather palm

areca and feather palm both are nouns.

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

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

areca: any of several tall tropical palms native to southeastern Asia having egg-shaped nuts
feather palm: palm having pinnate or featherlike leaves

areca (noun)	feather palm (noun)
any of several tall tropical palms native to southeastern Asia having egg-shaped nuts	palm having pinnate or featherlike leaves