| 564 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 456 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 433 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 531 | A New Dictionary of Kanji Usage |
| 4389 | Classic Nelson (Andrew Nelson) |
| 568 | Essential Kanji (P.G. O’Neill) |
| 905 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2.5 | Japanese for Busy People |
| 488 | Kanji and Kana (Spahn and Hadamitzky) |
| 497 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 669 | Kanji in Context (Nishiguchi and Kono) |
| 1693 | Kodansha Compact Kanji Guide |
| 1980 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1057 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1423 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1132 | Les Kanjis dans la tete (Yves Maniette) |
| 35589 | Morohashi |
| 1573 | New Japanese English Character Dictionary (Jack Halpern) |
| 5644 | New Nelson (John Haig) |
| 1123 | Remembering The Kanji (James Heisig) |
| 1204 | Remembering The Kanji, 6th edition (James Heisig) |
| 623 | Tuttle Kanji Cards (Alexander Kask) |
chapter, lesson, section, department, division, counter for chapters (of a book)
- On:
- カ
Jōyō kanji, taught in grade 4
JLPT level N2
455 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 課 【カ】 lesson, section (in an organization), division, department, counter for lessons and chapters (of a book)
- 課員 【カイン】 section staff
- 賦課 【フカ】 levy, imposition
- 会計課 【カイケイカ】 accounts section, accounting section
Readings
- Korean:
- gwa
Spanish
- capitulo
- lección
- sección
- departamento
- división
Portuguese
- capítulo
- lição
- seção
- departamento
- divisão
- sufixo para contagem de capítulos (de um livro)
French
- leçon
- chapitre
- section
- service
- division
- compteur de chapitres
| 3064 | 2001 Kanji |
| 7a8.2 | The Kanji Dictionary |
| 1-7-8 | SKIP code |
| 0669.4 | Four corner code |
| 1-18-61 | JIS X 0208-1997 kuten code |
| 8ab2 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N2
575 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 戸 【コ】 counter for houses, households, apartments, etc.
- 戸外 【コガイ】 open air, outdoors, outside
- 一戸 【イッコ】 one house, household
- 下戸 【ゲコ】 non-drinker, someone who cannot drink
Kun reading compounds
- 戸 【と】 door (esp. Japanese-style), shutter, window shutter, entrance (to a home), narrows
- 戸惑い 【とまどい】 being at sea, losing one's bearings, confusion, wonderment, disorientation upon waking at night, forgetting which house or room to enter
- 鳴門 【なると】 strait with a roaring tidal ebb and flow, whirlpool, maelstrom, kamaboko with a spiral whirlpool-like pattern, cooking technique where ingredients are cut in a spiral pattern, Naruto (city in Tokushima), Naruto Strait, Naruto wakame
- 引き戸 【ひきど】 sliding door
Readings
- Japanese names:
- え、 へ
- Korean:
- ho
Spanish
- puerta
- casa
- puerta corrediza
Portuguese
- Porta
French
- porte
- compteur de maisons
- radical porte (no 63)
| 69 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 120 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 108 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 342 | A New Dictionary of Kanji Usage |
| 1817 | Classic Nelson (Andrew Nelson) |
| 126 | Essential Kanji (P.G. O’Neill) |
| 551 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 59 | Japanese Names (P.G. O’Neill) |
| 152 | Kanji and Kana (Spahn and Hadamitzky) |
| 152 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 534 | Kanji in Context (Nishiguchi and Kono) |
| 841 | Kodansha Compact Kanji Guide |
| 2429 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1227 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1691 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1085 | Les Kanjis dans la tete (Yves Maniette) |
| 11696X | Morohashi |
| 1930 | New Japanese English Character Dictionary (Jack Halpern) |
| 2048 | New Nelson (John Haig) |
| 1076 | Remembering The Kanji (James Heisig) |
| 1157 | Remembering The Kanji, 6th edition (James Heisig) |
| 90 | Tuttle Kanji Cards (Alexander Kask) |
| 3060 | 2001 Kanji |
| 4m0.1 | The Kanji Dictionary |
| 2-1-3 | SKIP code |
| 3020.7 | Four corner code |
| 3027.7 | Four corner code |
| 1-24-45 | JIS X 0208-1997 kuten code |
| 6238 | Unicode hex code |