commodity exchange vs commodities exchange

commodity exchange and commodities exchange both are nouns.

Word	Noun	Adjective	Verb	Adverb
commodity exchange	Yes	No	No	No
commodities exchange	Yes	No	No	No

As nouns, commodity exchange and commodities exchange are synonyms defined as:

commodity exchange and commodities exchange: an exchange for buying and selling commodities for future delivery

Other synonyms of commodity exchange include commodities market.

commodity exchange (noun)	commodities exchange (noun)
an exchange for buying and selling commodities for future delivery	an exchange for buying and selling commodities for future delivery