carriage vs horse-drawn vehicle

carriage and horse-drawn vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
carriage	Yes	No	No	No
horse-drawn vehicle	Yes	No	No	No

As nouns, horse-drawn vehicle is a hypernym of carriage; that is, horse-drawn vehicle is a word with a broader meaning than carriage:

carriage (noun)	horse-drawn vehicle (noun)
a vehicle with wheels drawn by one or more horses	a wheeled vehicle drawn by one or more horses
a railcar where passengers ride
a machine part that carries something else
a small vehicle with four wheels in which a baby or child is pushed around
characteristic way of bearing one's body