chest vs toy chest

chest and toy chest both are nouns.

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

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

chest (noun)	toy chest (noun)
box with a lid; used for storage; usually large and sturdy	chest for storage of toys
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