fern rhapis vs lady palm

fern rhapis and lady palm both are nouns.

Word	Noun	Adjective	Verb	Adverb
fern rhapis	Yes	No	No	No
lady palm	Yes	No	No	No

As nouns, lady palm is a hypernym of fern rhapis; that is, lady palm is a word with a broader meaning than fern rhapis:

fern rhapis: small graceful palm with reedlike stems and leaf bases clothed with loose coarse fibers
lady palm: any of several small palms of the genus Rhapis; cultivated as houseplants

fern rhapis (noun)	lady palm (noun)
small graceful palm with reedlike stems and leaf bases clothed with loose coarse fibers	any of several small palms of the genus Rhapis; cultivated as houseplants