highboy vs chest of drawers

highboy and chest of drawers both are nouns.

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

As nouns, chest of drawers is a hypernym of highboy; that is, chest of drawers 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 of drawers: furniture with drawers for keeping clothes

Other hypernyms of highboy include bureau, chest, dresser.

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