pendant vs chandelier

pendant and chandelier both are nouns.

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

As nouns, pendant and chandelier are synonyms defined as:

pendant and chandelier: branched lighting fixture; often ornate; hangs from the ceiling

Other synonyms of pendant include pendent.

pendant (noun)	chandelier (noun)
branched lighting fixture; often ornate; hangs from the ceiling	branched lighting fixture; often ornate; hangs from the ceiling
an adornment that hangs from a piece of jewelry (necklace or earring)

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