medium of exchange vs criterion

medium of exchange and criterion both are nouns.

Word	Noun	Adjective	Verb	Adverb
medium of exchange	Yes	No	No	No
criterion	Yes	No	No	No

As nouns, criterion is a hypernym of medium of exchange; that is, criterion is a word with a broader meaning than medium of exchange:

medium of exchange: anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region
criterion: a basis for comparison; a reference point against which other things can be evaluated

Other hypernyms of medium of exchange include measure, standard, touchstone.

medium of exchange (noun)	criterion (noun)
anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region	the ideal in terms of which something can be judged
	a basis for comparison; a reference point against which other things can be evaluated