交換 (kōkan) means “exchange” | MotiTan Japanese Dictionary

More examples

旅行の前に、家族と連絡先を交換しました。ryo kō no mae ni ka zoku to ren raku saki o kō kan shi ma shi ta

Before the trip, I exchanged contact information with my family.

Presents an action as a mutual transfer, with each side giving something and receiving something in return.

取り替えtorikae: The act of replacing an item with a different item.
引き換えhikikae: The act of handing over one thing in return for another.

物や情報などを、互いに取り替えること。mono ya jō hō na do o taga i ni to ri ka e ru ko to

The noun 交換 (kōkan, "exchange") combines 交 (kō, "cross") and 換 (kan, "replace"), both Sino-Japanese readings.

In Japanese shops, 交換 (kōkan, "exchange") can describe replacing a defective product, where the customer receives another item instead of keeping the original.