agiotage vs exchange premium

agiotage and exchange premium both are nouns.

Word	Noun	Adjective	Verb	Adverb
agiotage	Yes	No	No	No
exchange premium	Yes	No	No	No

As nouns, agiotage and exchange premium are synonyms defined as:

Other synonyms of agiotage include agio, premium.

agiotage (noun)	exchange premium (noun)
a fee charged for exchanging currencies	a fee charged for exchanging currencies
speculative dealing in stock exchange securities or foreign exchange.