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洞 means 'cave'

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Strokes : 9    Frequency: 1688   JLPT: N1    Usefulness: 5    Challenge set: 13    Grade: 8   Intermediate lesson: -    Beginner lesson: -   Begins 18 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
Name    とう
Notes
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.
This is a synopsis of Joy o' Kanji's in-depth essay on 洞
Components
⿰  氵 (水) water  同 same  
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Most useful words by reading
In the most useful 10,000 words in Japanese, 洞 is used 5 times, read 2 ways.
Across all words in Japanese, 洞 is used 35 times, read 2 ways (with 1 variation).
ドウ : 26 words FIND ALL
noun
1. cave; hollow; cavity
2. hollow
5
TEST
ほら : 5 words FIND ALL
noun
cave; den; grotto
5
TEST
とう: 4 words. FIND ALL
noun
Soto school (of Zen Buddhism)
9
TEST
Quick links
QUICK SEARCH WORD SEARCH KANJI SEARCH COMPONENT SEARCH Find kanji that refer to 洞
More information
Wiktionary ⇗ | Unicode.org ⇗ | Google Japan ⇗
Additional data
Henshall: 1661  Joy o' Kanji : 1661  Key to Kanji: - 

Cascading kanji view

洞
ドウ   ほら cave   
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5
同
ドウ   おなじ same   
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2
一
イチ   イツ   ひとつ    ひと- one   
1
冋
wide mouth
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冂
wide
口
コウ   ク   くち mouth   
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2
氵
スイ   みず water   
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Search results include information from a variety of sources, including Kanshudo (kanji mnemonics, kanji readings, kanji components, vocab and name frequency data, grammar points), JMdict (vocabulary), Tatoeba (examples), Enamdict (names), KanjiVG (kanji animations and stroke order), and Joy o' Kanji (kanji and radical synopses). Translations provided by Google's Neural Machine Translation engine. For more information see credits.
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