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Quadruple VS

Synonym Boundary: "洗濯する", "買い物する", "行う", "〜てしまう"

All represent the core concept "do", but require precise selection.

Japanese Option A

洗濯する

せんたくする (sentaku suru)
N4 / CEFR
Japanese Option B

買い物する

かいものする (kaimono suru)
N4 / CEFR
Japanese Option C

行う

おこなう (okonau)
N4 / CEFR
Japanese Option D

〜てしまう

〜てしまう (te shimau)
N3 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "do" in Japanese, you must carefully distinguish between "洗濯する", "買い物する", "行う", "〜てしまう" based on context.
  • 洗濯する (せんたくする (sentaku suru) - Level: N4): Maps to "to do laundry" and is used when 服や布を洗ってきれいにすること。.
  • 買い物する (かいものする (kaimono suru) - Level: N4): Maps to "to do shopping" and is used when Used when referring to the act of buying things, typically at a store. Can be used with に.
  • 行う (おこなう (okonau) - Level: N4): Maps to "to do, to conduct, to carry out, to perform" and is used when More formal than する. Typically used for conducting events, ceremonies, research, or official procedures..
  • 〜てしまう (〜てしまう (te shimau) - Level: N3): Maps to "to do completely; to do regrettably/unintentionally" and is used when Expresses either the completion of an action, often implying 'finished doing,' or an action done unintentionally or regrettably. In casual speech, it's often shortened to 〜ちゃう/〜じゃう.
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "洗濯する"
週末に洗濯をします。
I do laundry on the weekend.
Context for "買い物する"
デパートで洋服を買い物しました。
I bought clothes at the department store.
Context for "行う"
今日は会議が行われる予定だ。
A meeting is scheduled to be held today.
Context for "〜てしまう"
大事な書類をなくしてしまいました。
I accidentally lost important documents.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "週末に洗濯をします。" (Meaning: "I do laundry on the weekend.")
🎉 Correct Answer!

Remember: "洗濯する" is correct here because it represents "to do laundry" in the context: "I do laundry on the weekend.".

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