seedpod vs screw bean

seedpod and screw bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
seedpod	Yes	No	No	No
screw bean	Yes	No	No	No

As nouns, screw bean is a hyponym of seedpod; that is, screw bean is a word with a more specific, narrower meaning than seedpod:

seedpod: a several-seeded dehiscent fruit as e.g. of a leguminous plant
screw bean: spirally twisted sweet pod of screwbean mesquite that is used for fodder or ground into meal for feed

Other hyponyms of seedpod include legume, peanut, okra, cowage, loment.

seedpod (noun)	screw bean (noun)
a several-seeded dehiscent fruit as e.g. of a leguminous plant	shrub or small tree of southwestern United States and northwestern Mexico having spirally twisted pods
	spirally twisted sweet pod of screwbean mesquite that is used for fodder or ground into meal for feed