exchange

noun

1
(chess) the capture by both players (usually on consecutive moves) of pieces of equal value
the endgame began after the exchange of queens
2
(chess) gaining (or losing) a rook in return for a knight or bishop
black lost the exchange
3
the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"
4
reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
he earns his living from the interchange of currency
5
the act of giving something in return for something received
deductible losses on sales or exchanges of property are allowable
6
the act of changing one thing for another thing
Adam was promised immortality in exchange for his disobedience
there was an interchange of prisoners
7
(sports) an unbroken sequence of several successive strokes
after a short rally Connors won the point
8
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
9
a workplace for buying and selling; open only to members
10
a mutual expression of views (especially an unpleasant one)
they had a bitter exchange
11
chemical process in which one atom or ion or group changes places with another

Also useful for “exchange”:Scrabble— High-value letters — see what it scores