lavalier vs pendant

lavalier and pendant both are nouns.

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

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

lavalier: 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 lavalier include pendent.

lavalier (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)

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