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Kanji Homophone Battle

Pronunciation Trap: "いっしゅん (isshun)"

Same sound, completely different Kanji! Choose the right conceptual writing.

Kanji Option A

いっしゅん

いっしゅん (isshun)
N3 / CEFR
VS
Kanji Option B

一瞬

いっしゅん (isshun)
N2 / CEFR

Nuance Contrast & Translation Difference

In Japanese, many words share the exact same pronunciation "いっしゅん (isshun)" but are written with different Kanji, changing the meaning entirely.
  • いっしゅん (Level: N3): Translates to "a moment, an instant" and is used when Emphasizes a very short period of time, like a blink of an eye. Can be used as an adverb.
  • 一瞬 (Level: N2): Maps to "a moment, an instant" and carries the nuance of Emphasizes a very short duration. Often used with verbs that imply a sudden or fleeting action or state..
Mixing these up can easily result in unnatural writing. Look at the bilingual context cards below to master the conceptual boundaries!
Bilingual Context for "いっしゅん"
彼は一瞬でその問題を解いた。
He solved the problem in an instant.
Bilingual Context for "一瞬"
雷が光ったのは本当に一瞬だった。
The lightning flashed for a truly fleeting moment.

Kanji Selection Quiz

Which Kanji perfectly fits this blank space?

Which Kanji perfectly fits the blank: "彼は一瞬でその問題を解いた。" (Meaning: "He solved the problem in an instant.")
🎉 Correct Answer!

Correct! "いっしゅん" is used for "a moment, an instant" in the context: "He solved the problem in an instant.".

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