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洞 means 'cave'

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Strokes : 9    Frequency: 1688   JLPT: N1    Usefulness: 5    Study set: 5-29    Grade: 8   Intermediate lesson: -    Beginner lesson: -   Begins 21 words   Used in 39 words   Used in 778 names   Not used as a component
Jōyō (常用)
Common readings
On
   ドウ
Kun
   ほら cave
Additional readings
Kun    うろ
Name    とう
Notes
A Joy o' Kanji essay is available for 洞 - click the badge to download
Find out how the structure of 洞 reflects the process of forming a cave. Learn to talk about limestone caves, stalactites, and stalagmites. See how the Japanese have used caves for everything from shelter to religion. Discover how people use 洞 to discuss insightfulness and to describe a particular kind of loss. Enjoy several photos of Japanese caves, as well as kanji signs for those caves.
View in the essay collection    All Joy o' Kanji essays  
Components
⿰  氵 (水) water  同 same  
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Mastery
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Most useful words by reading
In the most useful 10,000 words in Japanese, 洞 is used 3 times, read 2 ways.
Across all words in Japanese, 洞 is used 35 times, read 2 ways (with 1 variation).
Showing:
ドウ : 26 words FIND ALL
ど う く つ 0
cavern; cave; cave system; grotto
(click the word for examples and links)
ほら : 5 words FIND ALL
ほ ら 2 ほ ら 1
noun
cave; den; grotto
(click the word for examples and links)
とう: 4 words. FIND ALL
そ う と う し ゅ う 3
noun
Soto school (of Zen Buddhism)
(click the word for examples and links)
An additional 4 less common words include 洞 but the reading has not yet been categorized.
Quick links
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More information
Wiktionary ⇗ | Unicode.org ⇗ | Google Japan ⇗ | Hanziyuan etymology ⇗
Additional data
Henshall: 1661  Joy o' Kanji : 1661  Key to Kanji: - 

Cascading kanji view

洞
ドウ   ほら cave   
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同
ドウ   おなじ same   
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一
イチ   イツ   ひとつ    ひと- one   
冋
wide mouth
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冂
wide
口
コウ   ク   くち mouth   
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氵
スイ   みず water   
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