nonsmoker vs carriage

nonsmoker and carriage both are nouns.

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

As nouns, carriage is a hypernym of nonsmoker; that is, carriage is a word with a broader meaning than nonsmoker:

Other hypernyms of nonsmoker include coach, passenger car.

nonsmoker (noun)	carriage (noun)
a passenger car for passengers who want to avoid tobacco smoke	a vehicle with wheels drawn by one or more horses
a person who does not smoke tobacco	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