carriage trade vs commercialism

carriage trade and commercialism both are nouns.

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

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

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

Other hypernyms of carriage trade include commerce, mercantilism.

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