interchange vs barter

interchange and barter both are nouns.

Word	Noun	Adjective	Verb	Adverb
interchange	Yes	No	Yes	No
barter	Yes	No	Yes	No

As nouns, barter is a hyponym of interchange; that is, barter is a word with a more specific, narrower meaning than interchange:

interchange: reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
barter: an equal exchange

Other hyponyms of interchange include conversion, swap, swop, trade, foreign exchange.

As verbs, barter is a hyponym of interchange; that is, barter is a word with a more specific, narrower meaning than interchange:

Other hyponyms of interchange include sell, cash, cash in, ransom, redeem, redeem, fill in, stand in, sub, substitute, swap, switch, swop, trade, trade, trade in.

interchange (noun)	barter (noun)
the act of changing one thing for another thing	an equal exchange
mutual interaction; the activity of reciprocating or exchanging (especially information)
reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams

interchange (verb)	barter (verb)
reverse (a direction, attitude, or course of action)	exchange goods without involving money
cause to change places
give to, and receive from, one another
put in the place of another; switch seemingly equivalent items