nonpayment vs commerce

nonpayment and commerce both are nouns.

Word	Noun	Adjective	Verb	Adverb
nonpayment	Yes	No	No	No
commerce	Yes	No	No	No

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

nonpayment: the deliberate act of failing to pay money
commerce: transactions (sales and purchases) having the objective of supplying commodities (goods and services)

Other hypernyms of nonpayment include commercialism, mercantilism.

nonpayment (noun)	commerce (noun)
the deliberate act of failing to pay money	transactions (sales and purchases) having the objective of supplying commodities (goods and services)
loss resulting from failure of a debt to be paid	social exchange, especially of opinions, attitudes, etc.
act of failing to meet a financial obligation