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Kanji Homophone Battle

Pronunciation Trap: "おく (oku)"

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

Kanji Option A

おく (oku)
N4 / CEFR
VS
Kanji Option B

おく (oku)
N3 / CEFR

Nuance Contrast & Translation Difference

In Japanese, many words share the exact same pronunciation "おく (oku)" but are written with different Kanji, changing the meaning entirely.
  • (Level: N4): Translates to "hundred million" and is used when A large number unit, one 億.
  • (Level: N3): Maps to "interior, inner part, back (of a room/house), deep inside" and carries the nuance of Refers to the innermost or furthest part of a space, often implying a less accessible or more private area..
Mixing these up can easily result in unnatural writing. Look at the bilingual context cards below to master the conceptual boundaries!
Bilingual Context for "億"
日本の人口は約一億二千万人です。
Japan's population is about 120 million people.
Bilingual Context for "奥"
店の奥に隠れたカフェがある。
There is a hidden cafe in the back of the store.

Kanji Selection Quiz

Which Kanji perfectly fits this blank space?

Which Kanji perfectly fits the blank: "日本の人口は約一 ___ 二千万人です。" (Meaning: "Japan's population is about 120 million people.")
🎉 Correct Answer!

Correct! "億" is used for "hundred million" in the context: "Japan's population is about 120 million people.".

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