tallboy vs bureau

tallboy and bureau both are nouns.

Word	Noun	Adjective	Verb	Adverb
tallboy	Yes	No	No	No
bureau	Yes	No	No	No

As nouns, bureau is a hypernym of tallboy; that is, bureau is a word with a broader meaning than tallboy:

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

Other hypernyms of tallboy include chest, chest of drawers, dresser.

tallboy (noun)	bureau (noun)
a tall chest of drawers divided into two sections and supported on four legs	furniture with drawers for keeping clothes
	an administrative unit of government