This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

Reading

Kana: コウ
Romaji: kou
Kana
Romaji

Meaning

body cavity

Stroke Diagram

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Kanji Info

Stroke Count:  12
Radical Number:  130
Frequency: 
Grade:  9
Skip Pattern:  1-4-8
Korean Reading:  gang
Chinese Reading:  qiang1
Unicode:  8154
JIS:  3950

Indexes

Nelson Index: 3776
New Nelson Index: 4826
Spahn Hadamitzky Index: 4b8.7
Four Corner Index: 7321.1
Daikanwanjiten Index: 29630
Daikanwanjiten Index and Page: 9.0337
Remembering the kanji Index: 2465
2013 Kanji Learners Index: 917
Remembering the Kanji 6th Index: 2535
Kodansha Kanji Index: 1267

Words

(こう)
cavity
鼻腔 (びこう、びくう)
the nasal cavity
口腔外科 (こうくうげか、こうこうげか)
dental surgery; oral surgery
腔腸動物 (こうちょうどうぶつ、くうちょうどうぶつ)
coelenterate
副鼻腔 (ふくびこう、ふくびくう)
paranasal sinus; paranasal cavity; sinus paranasales
口腔 (こうこう、こうくう)
the oral cavity; mouth cavity
腹腔 (ふっこう、ふくこう、ふくくう)
abdominal cavity
耳腔 (じこう)
inside the ear
滑腔砲 (かっこうほう)
smooth-bore gun; unrifled gun
口腔癌 (こうこうがん)
oral cancer
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