abolish · waste

1. Origins, structure, and basic meaning

• Structure: 廃 has 12 strokes and the on-reading はい. 廃止 (はいし) and 廃棄 (はいき) concern ending use or getting rid of something.
• Basic usage: 廃止 refers to abolishing a system or rule; 廃棄 refers to disposing of materials or goods.

2. Common pitfalls and similar expressions

• Abolishing rules and discarding goods
  • 古い制度が廃止された means that an old system was abolished. In 校則の廃止, the target is school rules.
  • 材料を規則に従って廃棄した means that materials were discarded according to the rules. まだ使える品を廃棄しない方法 refers to ways to avoid throwing away goods that can still be used.