carriage trade vs commerce

carriage trade and commerce both are nouns.

Word	Noun	Adjective	Verb	Adverb
carriage trade	Yes	No	No	No
commerce	Yes	No	No	No

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

carriage trade: trade from upper-class customers
commerce: transactions (sales and purchases) having the objective of supplying commodities (goods and services)

Other hypernyms of carriage trade include commercialism, mercantilism.

carriage trade (noun)	commerce (noun)
trade from upper-class customers	transactions (sales and purchases) having the objective of supplying commodities (goods and services)
	social exchange, especially of opinions, attitudes, etc.