e-commerce vs commercialism

e-commerce and commercialism both are nouns.

Word	Noun	Adjective	Verb	Adverb
e-commerce	Yes	No	No	No
commercialism	Yes	No	No	No

As nouns, commercialism is a hypernym of e-commerce; that is, commercialism is a word with a broader meaning than e-commerce:

e-commerce: commerce conducted electronically (as on the internet)
commercialism: transactions (sales and purchases) having the objective of supplying commodities (goods and services)

Other hypernyms of e-commerce include commerce, mercantilism.

e-commerce (noun)	commercialism (noun)
commerce conducted electronically (as on the internet)	transactions (sales and purchases) having the objective of supplying commodities (goods and services)