# 洞 — cave

洞 means “cave”. It is a JLPT N1 kanji written with 9 strokes. On'yomi: ドウ (dou). Kun'yomi: ほら (hora). You'll see it in words such as 洞 (hora, “hollow; cavity”).

- Meaning: cave
- On'yomi: ドウ (dou)
- Kun'yomi: ほら (hora)
- Strokes: 9
- Level: JLPT N1 · set Land & places 2

## How to remember 洞

Sounds like 同: both read ドウ.

Parts: 氵 water · 同 same

## Words with 洞

| Word | Reading | Meaning |
| --- | --- | --- |
| 洞 | ほら (hora) | hollow; cavity |

## Don't confuse it with

[同](https://moji.ninja/n4-kanji/same/) · [河](https://moji.ninja/n2-kanji/large-river/) · [渦](https://moji.ninja/n1-kanji/whirlpool/) · [胴](https://moji.ninja/n1-kanji/torso/)

## More in the “Land & places 2” set

[穴](https://moji.ninja/n1-kanji/hole/) · [丘](https://moji.ninja/n1-kanji/knoll/) · [壌](https://moji.ninja/n1-kanji/soil/) · [緯](https://moji.ninja/n1-kanji/latitude/) · [亜](https://moji.ninja/n1-kanji/asia/) · [涯](https://moji.ninja/n1-kanji/far-shore/) · [拓](https://moji.ninja/n1-kanji/clear-land/) · [漠](https://moji.ninja/n1-kanji/desert/) · [洞](https://moji.ninja/n1-kanji/cave/)

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From Moji Ninja (https://moji.ninja/), a free app for learning hiragana, katakana and the JLPT kanji from N5 to N1 with spaced repetition. Page: https://moji.ninja/n1-kanji/cave/. Last updated 2026-11-01.