通称

1. Origins, structure, and basic meaning

• Structure: 通称(つうしょう) is a noun for a name in common use.
• Basic usage: It describes a name people commonly use apart from a person's real name or an object's official name.

2. Common pitfalls and similar expressions

• Official names and commonly used names
  • 通称 focuses on the name people use. It also covers names used by residents, as in the bridge example, rather than only names adopted to conceal an identity.
• Comparing which name is better known
  • In 本名よりも通称のほうが, the real name is the comparison point and the common name is emphasized. With 広く知られている, it means the common name is more widely known.