MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

掉	diào	to fall / to drop / to lag behind / to lose / to go missing / to reduce / fall (in prices) / to lose (value, weight etc) / to wag / to swing / to turn / to change / to exchange / to swap / to show off / to shed (hair) / (used after certain verbs to express completion, fulfillment, removal etc)
交换	jiāo huàn	to exchange / to swap / to switch (telecom) / commutative (math) / to commute
换位	huàn wèi	to swap places / (logic) conversion / (car maintenance) to rotate (tires)
调换	diào huàn	to exchange / to change places / to swap
对换	duì huàn	to exchange / to swap
对调	duì diào	to swap places / to exchange roles
掉换	diào huàn	to swap / to replace / to exchange / to change
换妻	huàn qī	wife swapping
串换	chuàn huàn	to exchange / to change / to swap
换房旅游	huàn fáng lǚ yóu	house-swap vacation
信贷违约掉期	xìn dài wéi yuē diào qī	credit default swap (finance)
掉期	diào qī	swap (finance)
掉过	diào guò	to swap places
换个儿	huàn gèr	to change places / to swap places
换置	huàn zhì	to swap / to exchange / to transpose / to replace
热插拔	rè chā bá	hot swapping