| 315 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 411 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 388 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 143 | A New Dictionary of Kanji Usage |
| 26 | Classic Nelson (Andrew Nelson) |
| 136 | Essential Kanji (P.G. O’Neill) |
| 503 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 203 | Japanese Names (P.G. O’Neill) |
| 202 | Kanji and Kana (Spahn and Hadamitzky) |
| 202 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 351 | Kanji in Context (Nishiguchi and Kono) |
| 573 | Kodansha Compact Kanji Guide |
| 4291 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2167 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2921 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1496 | Les Kanjis dans la tete (Yves Maniette) |
| 9167X | Morohashi |
| 3478 | New Japanese English Character Dictionary (Jack Halpern) |
| 1590 | New Nelson (John Haig) |
| 1484 | Remembering The Kanji (James Heisig) |
| 1596 | Remembering The Kanji, 6th edition (James Heisig) |
| 98 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 260 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N3
128 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 平 【ヘイ】 nth year in the Heisei era (1989.1.8-2019.4.30)
- 平安 【ヘイアン】 peace, tranquility, tranquillity, Heian period (794-1185)
- 和平 【ワヘイ】 peace
- 公平 【コウヘイ】 fairness, impartiality, justice, objectivity
- 平等 【ビョウドウ】 equality, impartiality, evenness
- 平常心 【ビョウジョウシン】 everyday feelings, usual feelings
- 寛平 【カンピョウ】 Kanpyō era (889.4.27-898.4.26), Kanbyō era
- 天平 【テンピョウ】 Tenpyō era (729.8.5-749.4.14), Tenbyō era, Tenhei era
- 平韻 【ヒョウイン】 level-tone rhyme (of Chinese)
- 平声 【ヒョウショウ】 first tone in old Chinese phonetics, level tone, (of a Japanese accent) having a low, flat tone
Kun reading compounds
- 平ら 【たいら】 flat, level, even, smooth, calm, tranquil, placid, composed, stable, relaxed (sitting posture), comfortable, plateau, tableland, plain
- 平らか 【たいらか】 level, just, peaceful
- 平らげる 【たいらげる】 to eat up (completely), to put down (a rebellion), to suppress, to subjugate, to make flat, to level out
- 平 【ひら】 something broad and flat, common, ordinary, plain, rank-and-file, low-ranking employee, freshman, novice, private
- 平泳ぎ 【ひらおよぎ】 breaststroke (swimming)
- 嘉平次平 【かへいじひら】 hakama fabric made from meisen silk
- 金平 【かねひら】 Acheilognathus rhombeus (species of cyprinid)
Readings
- Japanese names:
- たいら、 たら、 はち、 ひ、 ひとし、 へ、 へん
- Korean:
- pyeong, pyeon
Spanish
- llanura
- liso
- llano
- plano
- sencillo
Portuguese
- até mesmo
- apartamento
- paz
French
- plan(e)
- plat
- paix
| 3155 | 2001 Kanji |
| 2k3.4 | The Kanji Dictionary |
| 4-5-1 | SKIP code |
| 1040.9 | Four corner code |
| 1-42-31 | JIS X 0208-1997 kuten code |
| 5e73 | Unicode hex code |
凹
Jōyō kanji, taught in junior high
JLPT level N1
2206 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 凹 【オウ】 concave, hollow, sunken
- 凹凸 【オウトツ】 unevenness, bumpiness, roughness, ruggedness, imbalance, inequality, unevenness, disparity
- 肋凹 【ロクオウ】 costal fovea
Kun reading compounds
- 窪む 【くぼむ】 to cave in, to become depressed, to sink
- 凹む 【へこむ】 to be dented, to be indented, to yield, to give, to sink, to collapse, to cave in, to be beaten, to be overwhelmed, to yield, to give in, to give up, to be disheartened, to feel down, to feel depressed, to suffer a loss, to lose
- 発達凸凹 【はったつでこぼこ】 developmental irregularities, developmental disorder, neurodiversity
- 穴ぼこ 【あなぼこ】 hole, hollow, pothole (road, pavement, etc.)
Readings
- Korean:
- yo
Spanish
- hueco
- cóncavo
- hundido
Portuguese
- côncavo
- concavidade
- afundado
French
- concave
- creux
- dépression
| 1032 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1920 | A New Dictionary of Kanji Usage |
| 664 | Classic Nelson (Andrew Nelson) |
| 1883 | Essential Kanji (P.G. O’Neill) |
| 1087 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1893 | Kanji and Kana (Spahn and Hadamitzky) |
| 2069 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1922 | Kanji in Context (Nishiguchi and Kono) |
| 173 | Kodansha Compact Kanji Guide |
| 4294 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2170 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2924 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 33 | Les Kanjis dans la tete (Yves Maniette) |
| 1810 | Morohashi |
| 3482 | New Japanese English Character Dictionary (Jack Halpern) |
| 444 | New Nelson (John Haig) |
| 33 | Remembering The Kanji (James Heisig) |
| 33 | Remembering The Kanji, 6th edition (James Heisig) |
| 1039 | Tuttle Kanji Cards (Alexander Kask) |
| 3675 | 2001 Kanji |
| 0a5.14 | The Kanji Dictionary |
| 4-5-1 | SKIP code |
| 4-6-1 | SKIP code |
| 4-4-1 | SKIP code |
| 7777.0 | Four corner code |
| 1-17-90 | JIS X 0208-1997 kuten code |
| 51f9 | Unicode hex code |