How to Say "they swap" in Spanish
The Spanish word for “they swap” is “cambian” — A2 level. This is a very common word in everyday Spanish.
English → SpanishA2
verbA2
informal substitution

Examples
Ellos cambian los euros por moneda local en el aeropuerto.
They exchange euros for local currency at the airport.
Los niños cambian cartas deportivas en el recreo.
The children trade sports cards during recess.
Direct Exchange
When 'cambiar' means exchanging two items (A for B), you often use 'por' or sometimes 'a cambio de' to link them: 'Cambian libros por juguetes' (They exchange books for toys).
Related Translations
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