good luck charm vs juju

good luck charm and juju both are nouns.

Word	Noun	Adjective	Verb	Adverb
good luck charm	Yes	No	No	No
juju	Yes	No	No	No

As nouns, juju is a hyponym of good luck charm; that is, juju is a word with a more specific, narrower meaning than good luck charm:

Other hyponyms of good luck charm include amulet, talisman, fetich, fetish, hoodoo, voodoo.

good luck charm (noun)	juju (noun)
something believed to bring good luck	a charm superstitiously believed to embody magical powers
	the power associated with a juju