chest vs cedar chest

chest and cedar chest both are nouns.

Word	Noun	Adjective	Verb	Adverb
chest	Yes	No	No	No
cedar chest	Yes	No	No	No

As nouns, cedar chest is a hyponym of chest; that is, cedar chest is a word with a more specific, narrower meaning than chest:

chest (noun)	cedar chest (noun)
box with a lid; used for storage; usually large and sturdy	a chest made of cedar
furniture with drawers for keeping clothes
the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates
the front of the trunk from the neck to the abdomen