broker vs commerce

broker and commerce both are nouns.

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

broker (noun)	commerce (noun)
a businessman who buys or sells for another in exchange for a commission	transactions (sales and purchases) having the objective of supplying commodities (goods and services)
	social exchange, especially of opinions, attitudes, etc.

broker (verb)	commerce (verb)
act as a broker