🦅 Project Eagle
Quintuple VS

Synonym Boundary: "返す", "返る", "戻る", "帰国する", "返還"

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

Japanese Option A

返す

かえす (kaesu)
N5 / CEFR
Japanese Option B

返る

かえる (kaeru)
N4 / CEFR
Japanese Option C

戻る

もどる (modoru)
N4 / CEFR
Japanese Option D

帰国する

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

返還

へんかん (henkan)
N2 / CEFR

Quintuple VS Nuance Contrast & Social Differences

When expressing "return" in Japanese, you must carefully distinguish between "返す", "返る", "戻る", "帰国する", "返還" 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.
  • 返る (かえる (kaeru) - Level: N4): Maps to "to return, to come back (intransitive)" and is used when Intransitive verb. Used when something returns to its original state, place, or owner.
  • 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..
  • 返還 (へんかん (henkan) - Level: N2): Maps to "return, restoration, repayment" and is used when 借りたものや占有していたものを元の持ち主や国などに返すことを指す、やや堅い表現です。特に土地や主権など、公共性の高いものに使われます。.
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 "返る"
借りた本が机の上に返っていました。
The borrowed book had been returned to the desk.
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 "返還"
彼は借りた本を図書館に返還した。
He returned the borrowed book to the library.

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.".