ケースkeesu

1. nouncase (container)
   あなたの名前なまえがテープでケースに貼はってあります。↗

   Your name is taped on the case.
2. nouncase (instance, situation)
   これは大変たいへんまれにしかないケースだ。↗

   This is a very rare case.
3. noun, grammarcase

• Synonym箱はこNeutralThe everyday word for a box or chest; 「ケース」 more often means a purpose-made case or storage shell.
• Synonym場合ばあいNeutralThe usual word for a situation or occasion, as in 「雨の場合」; when 「ケース」 means a situation it frames it as a particular instance, as in 「レアケース」.
• Synonym案件あんけんNeutralA matter to be dealt with, such as a business or legal case; typical of business and legal settings.
• Synonym件けんNeutralA matter or item, as in 「例の件」; also a counter for emails, text messages and the like.
• Synonym実例じつれいNeutralAn example that actually happened, cited to prove or illustrate a point.
• Synonym例れいNeutralA general word for example or precedent; 「ケース」 stresses a concrete individual case.
• Related入れ物いれものNeutralA general, colloquial word for any container; 「ケース」 suggests a box with a specific shape or purpose.

Use 「ケース」 for a storage case or a specific individual case. For an everyday box say 「箱」, for a situation 「場合」, for examples 「例」 or 「実例」, and for a matter to be handled 「案件」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 場合ばあい、事例じれい。
2. 容器ようき、箱ばこ。
3. 弾薬だんやく筒とう、薬莢やっきょう。
4. 格かく。