commerce vs merchandise

commerce and merchandise both are nouns.

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

commerce (noun)	merchandise (noun)
transactions (sales and purchases) having the objective of supplying commodities (goods and services)	items for sale to the individual consumer
social exchange, especially of opinions, attitudes, etc.	branded products meant to promote another product, especially films and pop groups

commerce (verb)	merchandise (verb)
	engage in the trade of