tallboy vs dresser

tallboy and dresser both are nouns.

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

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

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

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

tallboy (noun)	dresser (noun)
a tall chest of drawers divided into two sections and supported on four legs	furniture with drawers for keeping clothes
	a cabinet with shelves
	low table with mirror or mirrors where one sits while dressing or applying makeup
	a wardrobe assistant for an actor
	a person who dresses in a particular way