raffia vs plant fibre

raffia and plant fibre both are nouns.

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

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

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

Other hypernyms of raffia include plant fiber.

raffia (noun)	plant fibre (noun)
fiber of a raffia palm used as light cordage and in making hats and baskets	fiber derived from plants
leaf fibers of the raffia palm tree; used to make baskets and mats etc.