lavalier vs pendent

lavalier and pendent both are nouns.

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

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

lavalier: 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 lavalier include pendant.

lavalier (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)

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