| 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 4
JLPT level N3
174 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 共演 【キョウエン】 appearing together (in a film, play, etc.), performing together (at a concert, etc.), acting together, co-starring, playing together (in a sports match)
- 共栄 【キョウエイ】 mutual prosperity
- 反共 【ハンキョウ】 anticommunism
- 中共 【チュウキョウ】 Chinese Communist Party, Chinese Communists, Communist China
Kun reading compounds
- 共 【とも】 together with, same, both, all, neither, none, including ...
- 共に 【ともに】 together, jointly, at the same time, with, as ..., including, along with, both
- 送料共 【そうりょうとも】 including postage
- 母子とも 【ぼしとも】 both mother and child
- 共に 【ともに】 together, jointly, at the same time, with, as ..., including, along with, both
- 共にする 【ともにする】 to do together, to share, to participate in
Readings
- Korean:
- gong
Spanish
- ambos
- conjuntamente
- juntos
- también
Portuguese
- juntamente
- ambos (em afirm.)
- nenhum (em neg.)
- todo
- e
- da mesma forma
- com
French
- ensemble
- les deux
- ni l'un ni l'autre
- tous
- et
- semblable
- avec
| 376 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 484 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 460 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 159 | A New Dictionary of Kanji Usage |
| 581 | Classic Nelson (Andrew Nelson) |
| 240 | Essential Kanji (P.G. O’Neill) |
| 342 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 292 | Japanese Names (P.G. O’Neill) |
| 196 | Kanji and Kana (Spahn and Hadamitzky) |
| 196 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 419 | Kanji in Context (Nishiguchi and Kono) |
| 154 | Kodansha Compact Kanji Guide |
| 3045 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1551 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2122 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1812 | Les Kanjis dans la tete (Yves Maniette) |
| 1458 | Morohashi |
| 2393 | New Japanese English Character Dictionary (Jack Halpern) |
| 373 | New Nelson (John Haig) |
| 1795 | Remembering The Kanji (James Heisig) |
| 1934 | Remembering The Kanji, 6th edition (James Heisig) |
| 106 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 464 | Tuttle Kanji Cards (Alexander Kask) |
| 1961 | 2001 Kanji |
| 3k3.3 | The Kanji Dictionary |
| 2-4-2 | SKIP code |
| 2-3-3 | SKIP code |
| 4480.1 | Four corner code |
| 1-22-06 | JIS X 0208-1997 kuten code |
| 5171 | Unicode hex code |