| 1263 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1706 | A New Dictionary of Kanji Usage |
| 2657 | Classic Nelson (Andrew Nelson) |
| 1487 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1859 | Japanese Names (P.G. O’Neill) |
| 1012 | Kanji and Kana (Spahn and Hadamitzky) |
| 1050 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1499 | Kanji in Context (Nishiguchi and Kono) |
| 1232 | Kodansha Compact Kanji Guide |
| 810 | Kodansha Kanji Dictionary (Jack Halpern) |
| 473 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 604 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1836 | Les Kanjis dans la tete (Yves Maniette) |
| 17944X | Morohashi |
| 659 | New Japanese English Character Dictionary (Jack Halpern) |
| 3275 | New Nelson (John Haig) |
| 1819 | Remembering The Kanji (James Heisig) |
| 1960 | Remembering The Kanji, 6th edition (James Heisig) |
| 1639 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1736 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 溝 【コウ】 10^32, hundred nonillion
- 溝渠 【コウキョ】 ditch, sewer, canal
- 排水溝 【ハイスイコウ】 drainage, gutter, ditch
- 海溝 【カイコウ】 oceanic trench, deep-sea trench, deep
Kun reading compounds
- 溝 【みぞ】 ditch, drain, gutter, trench, groove, tread, indentation, gap (between people, countries, etc.), gulf, rift
- 溝隠 【みぞかくし】 Chinese lobelia (Lobelia chinensis)
- 押さえ溝 【おさえみぞ】 groove in the body of wooden plane which holds the blade
- 逃げ溝 【にげみぞ】 clearance groove, under cut
Readings
- Japanese names:
- どぶ
- Korean:
- gu
Spanish
- cuneta
- zanja
- alcantarilla
- desagüe
Portuguese
- ranhura
- canal
- encanamento
- dreno
- 10 elevado a 32
French
- rigole
- fossé
- égout
- 10**32
| 347 | 2001 Kanji |
| 3a10.9 | The Kanji Dictionary |
| 1-3-10 | SKIP code |
| 3514.7 | Four corner code |
| 1-25-34 | JIS X 0208-1997 kuten code |
| 6e9d | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N2
1787 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 【バイ】 Japanese Babylon (Babylonia japonica), Japanese ivory shell, spinning top (traditionally made from a Japanese Babylon shell)
- 貝貨 【バイカ】 shell money
- 越虫貝 【エッチュウバイ】 finely-striate buccinum (Buccinum striatissimum)
- 蝦夷貝 【エゾバイ】 Middendorf's whelk (Buccinum middendorffi)
Kun reading compounds
- 貝 【かい】 shellfish, seashell, shell
- 貝殻 【かいがら】 seashell, shell
- 魚介 【ぎょかい】 marine products, seafood, fish and shellfish
- パウア貝 【パウアかい】 paua (edible New Zealand abalone; species Haliotis iris, H. australis, H. virginea)
Readings
- Korean:
- pae
Spanish
- concha
Portuguese
- Marisco
- conchas
French
- coquillage
| 169 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 49 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 90 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1590 | A New Dictionary of Kanji Usage |
| 4486 | Classic Nelson (Andrew Nelson) |
| 44 | Essential Kanji (P.G. O’Neill) |
| 917 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 498 | Japanese Names (P.G. O’Neill) |
| 240 | Kanji and Kana (Spahn and Hadamitzky) |
| 240 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 719 | Kanji in Context (Nishiguchi and Kono) |
| 1720 | Kodansha Compact Kanji Guide |
| 3150 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1614 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2200 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 54 | Les Kanjis dans la tete (Yves Maniette) |
| 36656 | Morohashi |
| 2543 | New Japanese English Character Dictionary (Jack Halpern) |
| 5766 | New Nelson (John Haig) |
| 54 | Remembering The Kanji (James Heisig) |
| 56 | Remembering The Kanji, 6th edition (James Heisig) |
| 70 | Tuttle Kanji Cards (Alexander Kask) |
| 3961 | 2001 Kanji |
| 7b0.1 | The Kanji Dictionary |
| 2-5-2 | SKIP code |
| 6080.0 | Four corner code |
| 1-19-13 | JIS X 0208-1997 kuten code |
| 8c9d | Unicode hex code |