議論

1. Origins, structure, and basic meaning

• Structure: 議論 is read ぎろん and means discussing or debating an issue.
• Basic usage: It is used for exchanging views on school rules or describing an argument becoming emotional.

2. Common pitfalls and similar expressions

• Compared with 口論
  • 議論 focuses on considering an issue through reasons or arguments. 口論(こうろん) strongly suggests a verbal quarrel, so 議論 generally fits a calm discussion better.