carriage vs hansom

carriage and hansom both are nouns.

Word	Noun	Adjective	Verb	Adverb
carriage	Yes	No	No	No
hansom	Yes	No	No	No

As nouns, hansom is a hyponym of carriage; that is, hansom is a word with a more specific, narrower meaning than carriage:

carriage: a vehicle with wheels drawn by one or more horses
hansom: a two-wheeled horse-drawn covered carriage with the driver's seat above and behind the passengers

carriage (noun)	hansom (noun)
a vehicle with wheels drawn by one or more horses	a two-wheeled horse-drawn covered carriage with the driver's seat above and behind the passengers
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