raphia vs plant fibre

raphia and plant fibre both are nouns.

Word	Noun	Adjective	Verb	Adverb
raphia	Yes	No	No	No
plant fibre	Yes	No	No	No

As nouns, plant fibre is a hypernym of raphia; that is, plant fibre is a word with a broader meaning than raphia:

raphia: leaf fibers of the raffia palm tree; used to make baskets and mats etc.
plant fibre: fiber derived from plants

Other hypernyms of raphia include plant fiber.

raphia (noun)	plant fibre (noun)
leaf fibers of the raffia palm tree; used to make baskets and mats etc.	fiber derived from plants