通貨

1. Origins, structure, and basic meaning

• Structure: In 通貨 (つうか), circulate 通 and money 貨 combine to denote currency.
• Basic usage: 通貨 denotes money accepted as a medium of exchange in a country or region.

2. Common pitfalls and similar expressions

• Currency, not a telephone call
  • It should not be confused with the Korean homograph that can mean a telephone call.