lavaliere vs pendent

lavaliere and pendent both are nouns.

Word	Noun	Adjective	Verb	Adverb
lavaliere	Yes	No	No	No
pendent	Yes	Yes	No	No

As nouns, pendent is a hypernym of lavaliere; that is, pendent is a word with a broader meaning than lavaliere:

lavaliere: jeweled pendant worn on a chain around the neck
pendent: an adornment that hangs from a piece of jewelry (necklace or earring)

Other hypernyms of lavaliere include pendant.

lavaliere (noun)	pendent (noun)
jeweled pendant worn on a chain around the neck	branched lighting fixture; often ornate; hangs from the ceiling
	an adornment that hangs from a piece of jewelry (necklace or earring)

lavaliere (adjective)	pendent (adjective)
	held from above and hanging down