🦅 Project Eagle
Quadruple VS

Synonym Boundary: "返す", "戻る", "帰国する", "返却"

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

Japanese Option A

返す

かえす (kaesu)
N5 / CEFR
Japanese Option B

戻る

もどる (modoru)
N4 / CEFR
Japanese Option C

帰国する

きこくする (kikoku suru)
N4 / CEFR
Japanese Option D

返却

へんきゃく (henkyaku)
N3 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "return" in Japanese, you must carefully distinguish between "返す", "戻る", "帰国する", "返却" based on context.
  • 返す (かえす (kaesu) - Level: N5): Maps to "to return (something); to give back" and is used when Used for returning physical items.
  • 戻る (もどる (modoru) - Level: N4): Maps to "to return, to go back (intransitive)" and is used when Used for returning to a previous place, state, or condition. Intransitive, so it refers to the subject itself returning..
  • 帰国する (きこくする (kikoku suru) - Level: N4): Maps to "to return to one's home country" and is used when Used when someone returns to their native country after spending time abroad..
  • 返却 (へんきゃく (henkyaku) - Level: N3): Maps to "return (of something borrowed)" and is used when A formal term for returning an item, often used in contexts like libraries or rental services..
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "返す"
借りた本を友達に返しました。
I returned the borrowed book to my friend.
Context for "戻る"
旅行から帰ってきて、元の生活に戻った。
After returning from the trip, I returned to my normal life.
Context for "帰国する"
彼は来月、日本に帰国する予定です。
He plans to return to Japan next month.
Context for "返却"
借りた本は期日までに返却してください。
Please return borrowed books by the due date.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "借りた本を友達に返しました。" (Meaning: "I returned the borrowed book to my friend.")
🎉 Correct Answer!

Remember: "返す" is correct here because it represents "to return (something); to give back" in the context: "I returned the borrowed book to my friend.".

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