口 means 'mouth'

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Strokes : 3    Radical number: 30    Frequency: 108   JLPT: N4    Usefulness: 2    Challenge set: 3    Grade: 1   Intermediate lesson: 8    Beginner lesson: 3   Begins 304 words   Used in 699 words   Used in 3588 names   Component in 1065 kanji (458 Jōyō)
Jōyō (常用)
   コウ   ク
   くち mouth
See when the 'mouth' radical actually means 'mouth' in a kanji, as in (71: name) and (382: item), 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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In the most useful 10,000 words in Japanese, 口 is used 31 times, read 3 ways (with 1 variation).
Across all words in Japanese, 口 is used 659 times, read 3 ways (with 1 variation).
コウ : 252 words FIND ALL
1. population
2. common talk
ク : 21 words FIND ALL
tone (e.g. of voice, etc.); (verbal) expression
くち : 257 words FIND ALL
1. mouth
2. opening; hole; gap; orifice
(click the word to view an additional 10 meanings)
くち (read as ぐち) : 129 words FIND ALL
exit; gateway; way out; outlet; leak; vent  (see also: 入り口)
Henshall: 34 (originally: 20)  Joy o' Kanji : 20  Key to Kanji: 316 

Cascading kanji view

コウ   ク   くち mouth   
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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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