candle holder vs holder

candle holder and holder both are nouns.

Word	Noun	Adjective	Verb	Adverb
candle holder	Yes	No	No	No
holder	Yes	No	No	No

As nouns, holder is a hypernym of candle holder; that is, holder is a word with a broader meaning than candle holder:

candle holder (noun)	holder (noun)
a holder with sockets for candles	a holding device
	the person who is in possession of a check or note or bond or document of title that is endorsed to him or to whoever holds it
	a person who holds something