lavaliere vs pendant

lavaliere and pendant both are nouns.

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

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

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

Other hypernyms of lavaliere include pendent.

lavaliere (noun)	pendant (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)	pendant (adjective)
	held from above and hanging down