barter vs interchange

barter and interchange both are nouns.

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

As nouns, interchange is a hypernym of barter; that is, interchange is a word with a broader meaning than barter:

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

Other hypernyms of barter include exchange.

As verbs, interchange is a hypernym of barter; that is, interchange is a word with a broader meaning than barter:

Other hypernyms of barter include change, exchange.

barter (noun)	interchange (noun)
an equal exchange	the act of changing one thing for another thing
	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

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