highboy vs chest

highboy and chest both are nouns.

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

As nouns, chest is a hypernym of highboy; that is, chest is a word with a broader meaning than highboy:

highboy: a tall chest of drawers divided into two sections and supported on four legs
chest: furniture with drawers for keeping clothes

Other hypernyms of highboy include bureau, chest of drawers, dresser.

highboy (noun)	chest (noun)
a tall chest of drawers divided into two sections and supported on four legs	box with a lid; used for storage; usually large and sturdy
	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