What is the difference between "無くなる" and "亡くなる"?

"無くなる" means "to disappear, to run out, to be lost (intransitive)" (N4), whereas "亡くなる" represents "to die, to pass away (polite expression)" (N3).

Kanji Homophone Battle

Pronunciation Trap: "なくなる (nakunaru)"

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

Kanji Option A

なくなる (nakunaru)

N4 / CEFR

Kanji Option B

なくなる (nakunaru)

N3 / CEFR

In Japanese, many words share the exact same pronunciation "なくなる (nakunaru)" but are written with different Kanji, changing the meaning entirely.

無くなる (Level: N4): Translates to "to disappear, to run out, to be lost (intransitive)" and is used when An intransitive verb indicating that something ceases to exist, runs out, or gets lost. Often used for tangible things. Its transitive counterpart is 無くす.
亡くなる (Level: N3): Maps to "to die, to pass away (polite expression)" and carries the nuance of A polite and respectful way to say 'to die' or 'to pass away'. It's an intransitive verb..

Mixing these up can easily result in unnatural writing. Look at the bilingual context cards below to master the conceptual boundaries!

Bilingual Context for "無くなる"

ガソリンが無くなって車が止まってしまった。

The car stopped because it ran out of gasoline.

Bilingual Context for "亡くなる"

祖母は去年の夏に亡くなった。

My grandmother passed away last summer.

Which Kanji perfectly fits this blank space?

Which Kanji perfectly fits the blank: "ガソリンが無くなって車が止まってしまった。" (Meaning: "The car stopped because it ran out of gasoline.")

🎉 Correct Answer!

Correct! "無くなる" is used for "to disappear, to run out, to be lost (intransitive)" in the context: "The car stopped because it ran out of gasoline.".