| 718 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 812 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 791 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 325 | A New Dictionary of Kanji Usage |
| 4980 | Classic Nelson (Andrew Nelson) |
| 680 | Essential Kanji (P.G. O’Neill) |
| 983 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 374 | Japanese Names (P.G. O’Neill) |
| 513 | Kanji and Kana (Spahn and Hadamitzky) |
| 522 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 781 | Kanji in Context (Nishiguchi and Kono) |
| 725 | Kodansha Compact Kanji Guide |
| 320 | Kodansha Kanji Dictionary (Jack Halpern) |
| 203 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 242 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1311 | Les Kanjis dans la tete (Yves Maniette) |
| 41576 | Morohashi |
| 270 | New Japanese English Character Dictionary (Jack Halpern) |
| 6429 | New Nelson (John Haig) |
| 1302 | Remembering The Kanji (James Heisig) |
| 1399 | Remembering The Kanji, 6th edition (James Heisig) |
| 326 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 674 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N2
331 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 防衛施設庁 【ボウエイシセツチョウ】 (Japanese) Defense Facilities Administration Agency (Defence)
- 防衛 【ボウエイ】 defense, defence, protection
- 砂防 【サボウ】 erosion control
- 攻防 【コウボウ】 offense and defense, offence and defence
Kun reading compounds
- 防ぐ 【ふせぐ】 to defend against, to protect against, to prevent, to avert, to avoid
Readings
- Japanese names:
- あた、 う、 ほう
- Korean:
- bang
Spanish
- defender
- proteger
- aguantar
- prevenir
- presa
- banco
Portuguese
- desligar
- defender
- proteger
- resistir
French
- prévenir (un danger)
- défendre
- protéger
- résister
| 3645 | 2001 Kanji |
| 2d4.1 | The Kanji Dictionary |
| 1-3-4 | SKIP code |
| 1-2-4 | SKIP code |
| 7022.7 | Four corner code |
| 1-43-41 | JIS X 0208-1997 kuten code |
| 9632 | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N5
574 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 火 【カ】 Tuesday, fire (second of the five elements)
- 火炎瓶 【カエンビン】 Molotov cocktail, petrol bomb, gasoline bomb
- 発火 【ハッカ】 ignition, combustion, catching fire, firing a blank cartridge, discharge of a gun without bullets
- 点火 【テンカ】 ignition, lighting, firing, setting off
Kun reading compounds
- 火 【ひ】 fire, flame, blaze
- 火口 【ひぐち】 burner, nozzle, origin of a fire
- 飛び火 【とびひ】 leaping flames, flying sparks, spread of fire (due to leaping flames), repercussions in unanticipated areas, spilling over, effects of an incident spreading to those seemingly uninvolved, impetigo contagiosa
- 不知火 【しらぬい】 phosphorescent light, mysterious lights on the sea, sea fire
Readings
- Korean:
- hwa
Spanish
- fuego
- flama
- llama
Portuguese
- fogo
French
- feu
| 13 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 15 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 8 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 432 | A New Dictionary of Kanji Usage |
| 2743 | Classic Nelson (Andrew Nelson) |
| 15 | Essential Kanji (P.G. O’Neill) |
| 69 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 52 | Japanese Names (P.G. O’Neill) |
| 1.A | Japanese for Busy People |
| 20 | Kanji and Kana (Spahn and Hadamitzky) |
| 20 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 18 | Kanji in Context (Nishiguchi and Kono) |
| 1260 | Kodansha Compact Kanji Guide |
| 4273 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2159 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2911 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 163 | Les Kanjis dans la tete (Yves Maniette) |
| 18850 | Morohashi |
| 3463 | New Japanese English Character Dictionary (Jack Halpern) |
| 3394 | New Nelson (John Haig) |
| 161 | Remembering The Kanji (James Heisig) |
| 173 | Remembering The Kanji, 6th edition (James Heisig) |
| 27 | Tuttle Kanji Cards (Alexander Kask) |
| 1162 | 2001 Kanji |
| 4d0.1 | The Kanji Dictionary |
| 4-4-4 | SKIP code |
| 1-1-3 | SKIP code |
| 9080.0 | Four corner code |
| 1-18-48 | JIS X 0208-1997 kuten code |
| 706b | 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 |