commerce vs usance

commerce and usance both are nouns.

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

commerce (noun)	usance (noun)
transactions (sales and purchases) having the objective of supplying commodities (goods and services)	accepted or habitual practice
social exchange, especially of opinions, attitudes, etc.	(economics) the utilization of economic goods to satisfy needs or in manufacturing
	the period of time permitted by commercial usage for the payment of a bill of exchange (especially a foreign bill of exchange)