| 295 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 204 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 187 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 23 | A New Dictionary of Kanji Usage |
| 619 | Classic Nelson (Andrew Nelson) |
| 185 | Essential Kanji (P.G. O’Neill) |
| 136 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 298 | Japanese Names (P.G. O’Neill) |
| 2.13 | Japanese for Busy People |
| 198 | Kanji and Kana (Spahn and Hadamitzky) |
| 198 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 350 | Kanji in Context (Nishiguchi and Kono) |
| 320 | Kodansha Compact Kanji Guide |
| 3707 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1897 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2578 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 182 | Les Kanjis dans la tete (Yves Maniette) |
| 3294 | Morohashi |
| 2987 | New Japanese English Character Dictionary (Jack Halpern) |
| 717 | New Nelson (John Haig) |
| 180 | Remembering The Kanji (James Heisig) |
| 192 | Remembering The Kanji, 6th edition (James Heisig) |
| 54 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 133 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N4
15 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 同 【ドウ】 the same, the said, likewise
- 同意 【ドウイ】 agreement, consent, approval, assent, same opinion, same view, same meaning
- 合同 【ゴウドウ】 combination, union, joining, incorporation, amalgamation, merger, fusion, combined, joint, united, shared, congruence
- 大同 【ダイドウ】 general resemblance, being largely the same, uniting with a common goal, Daidō era (806.5.18-810.9.19)
Kun reading compounds
- 同じ 【おなじ】 same, identical, equal, alike, equivalent, anyway, in any case, if one must ..., if one has to ..., as long as ...
- 同じく 【おなじく】 in the same way, like, likewise, similarly
Readings
- Korean:
- dong
Spanish
- mismo
- igual
- compañero
- idéntico
- similar
Portuguese
- mesmo
- concorda
- igual
French
- identique
- similaire
- égal
| 3649 | 2001 Kanji |
| 2r4.2 | The Kanji Dictionary |
| 3-2-4 | SKIP code |
| 7722.0 | Four corner code |
| 1-38-17 | JIS X 0208-1997 kuten code |
| 540c | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N2
1628 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 姓 【セイ】 surname, family name, hereditary title (used in ancient Japan to denote rank and political standing)
- 姓名 【セイメイ】 (full) name, family name and given name
- 旧姓 【キュウセイ】 one's original family name, maiden name
- 同姓 【ドウセイ】 same surname
- 姓 【セイ】 surname, family name, hereditary title (used in ancient Japan to denote rank and political standing)
- 俗姓 【ゾクショウ】 secular surname (of a priest)
- 小百姓 【コビャクショウ】 peasant, small farmer
Readings
- Korean:
- seong
Spanish
- apellido
Portuguese
- sobrenome
French
- nom de famille
| 1471 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1766 | A New Dictionary of Kanji Usage |
| 1203 | Classic Nelson (Andrew Nelson) |
| 1150 | Essential Kanji (P.G. O’Neill) |
| 450 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 846 | Japanese Names (P.G. O’Neill) |
| 1746 | Kanji and Kana (Spahn and Hadamitzky) |
| 1869 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 598 | Kanji in Context (Nishiguchi and Kono) |
| 440 | Kodansha Compact Kanji Guide |
| 334 | Kodansha Kanji Dictionary (Jack Halpern) |
| 209 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 251 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1571 | Les Kanjis dans la tete (Yves Maniette) |
| 6178 | Morohashi |
| 279 | New Japanese English Character Dictionary (Jack Halpern) |
| 1196 | New Nelson (John Haig) |
| 1557 | Remembering The Kanji (James Heisig) |
| 1678 | Remembering The Kanji, 6th edition (James Heisig) |
| 1163 | Tuttle Kanji Cards (Alexander Kask) |
| 1772 | 2001 Kanji |
| 3e5.3 | The Kanji Dictionary |
| 1-3-5 | SKIP code |
| 4541.0 | Four corner code |
| 1-32-11 | JIS X 0208-1997 kuten code |
| 59d3 | Unicode hex code |