交换

交换	jiāo huàn	to exchange / to swap / to switch (telecom) / commutative (math) / to commute
交	jiāo	to hand over; to deliver; to pay (money); to turn over / to make friends / (of lines) to intersect / variant of 跤
换	huàn	to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)