im not a word natzi...; but you really got to be kidding me? just because the lack of knowledge of the English language is your Prominent and foremost asset- does not mean you can freely propagate ignorance of self accumulation
the word you looking for and maybe should learn is=
Exchange!
only the ignorant and 3 world country under developed and non educated bathroom butt and bounty beggars will call it exchangeR
please indicate of what  category you are from?


for your referance...=

http://www.dictionary.com/browse/exchange