隣国

1. Origins, structure, and basic meaning

• Structure: 隣国 is read りんごく and means a neighboring country.
• Basic usage: It is used for trade with a country across a river or a rescue team arriving from a nearby country.

2. Common pitfalls and similar expressions

• Scope compared with 外国
  • 外国(がいこく) broadly means a country other than one's own. 隣国 focuses on the geographical relationship of being neighbors.