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口 means 'mouth'

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Strokes : 3    Radical number: 30    Frequency: 108   JLPT: N4    Usefulness: 2    Study set: 2-1    Grade: 1   Intermediate lesson: 8    Beginner lesson: 3   Begins 318 words   Used in 700 words   Used in 3588 names   Component in 3477 kanji (459 Jōyō)
Jōyō (常用)
Common readings
On
   コウ   ク
Kun
   くち mouth
Variants
⼝  
Notes
See when the 'mouth' radical actually means 'mouth' in a kanji, as in 名 (name) and 品 (goods), and find out when this square represents something as unexpected as a circle! Also learn not to confuse this radical with many others containing squares.
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Flashcards
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Most useful words by reading
In the most useful 10,000 words in Japanese, 口 is used 27 times, read 3 ways (with 1 variation).
Across all words in Japanese, 口 is used 659 times, read 3 ways (with 1 variation).
Showing:
コウ : 252 words FIND ALL
じ ん こ う 0
noun
1. population
2. common talk
(click the word for examples and links)
ク : 21 words FIND ALL
く ち ょ う 0
noun
tone (e.g. of voice, etc.); (verbal) expression
(click the word for examples and links)
くち : 257 words FIND ALL
く ち 0
noun
1. mouth
2. opening; hole; gap; orifice
(click the word to view an additional 10 meanings, useful expressions, examples and links)
くち (read as ぐち) : 129 words FIND ALL
で ぐ ち 1
noun
exit; gateway; way out; outlet; leak; vent  (see also: 入り口)
(click the word for examples and links)
An additional 42 less common words include 口 but the readings have not yet been categorized.
Quick links
QUICK SEARCH WORD SEARCH KANJI SEARCH COMPONENT SEARCH Find kanji that refer to 口
More information
Wiktionary ⇗ | Unicode.org ⇗ | Google Japan ⇗ | Hanziyuan etymology ⇗
Additional data
Henshall: 34 (originally: 20)  Joy o' Kanji : 20  Key to Kanji: 316 

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口
コウ   ク   くち mouth   
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