barter vs swap

barter and swap both are nouns.

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

As nouns, barter and swap are synonyms defined as:

Other synonyms of barter include swop, trade.

barter (noun)	swap (noun)
an equal exchange	an equal exchange

barter (verb)	swap (verb)
exchange goods without involving money	move (a piece of a program) into memory, in computer science
	exchange or give (something) in exchange for