beads vs wampum

beads and wampum both are nouns.

Word	Noun	Adjective	Verb	Adverb
beads	Yes	No	No	No
wampum	Yes	No	No	No

As nouns, wampum is a hyponym of beads; that is, wampum is a word with a more specific, narrower meaning than beads:

beads: several beads threaded together on a string
wampum: small cylindrical beads made from polished shells and fashioned into strings or belts; used by certain Native American peoples as jewelry or currency

Other hyponyms of beads include prayer beads, rosary, peag, wampumpeag.

beads (noun)	wampum (noun)
several beads threaded together on a string	small cylindrical beads made from polished shells and fashioned into strings or belts; used by certain Native American peoples as jewelry or currency
	informal terms for money