commodities exchange vs commodity exchange

commodities exchange and commodity exchange both are nouns.

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

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

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

Other synonyms of commodities exchange include commodities market.

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