| 55 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 94 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 88 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 158 | A New Dictionary of Kanji Usage |
| 2553 | Classic Nelson (Andrew Nelson) |
| 99 | Essential Kanji (P.G. O’Neill) |
| 211 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1071 | Japanese Names (P.G. O’Neill) |
| 3.14 | Japanese for Busy People |
| 117 | Kanji and Kana (Spahn and Hadamitzky) |
| 117 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 454 | Kanji in Context (Nishiguchi and Kono) |
| 1184 | Kodansha Compact Kanji Guide |
| 459 | Kodansha Kanji Dictionary (Jack Halpern) |
| 284 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 344 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 471 | Les Kanjis dans la tete (Yves Maniette) |
| 17450 | Morohashi |
| 384 | New Japanese English Character Dictionary (Jack Halpern) |
| 3133 | New Nelson (John Haig) |
| 461 | Remembering The Kanji (James Heisig) |
| 500 | Remembering The Kanji, 6th edition (James Heisig) |
| 206 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 171 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N4
200 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 海運 【カイウン】 maritime transport, shipping
- 海域 【カイイキ】 area of ocean
- 公海 【コウカイ】 high seas, international waters
- 内海 【ナイカイ】 inland sea, inlet, gulf, bay, lake
Kun reading compounds
- 海 【うみ】 sea, ocean, waters
- 海辺 【うみべ】 beach, seashore, seaside, coast
- 内海 【ないかい】 inland sea, inlet, gulf, bay, lake
- 血の海 【ちのうみ】 sea of blood, pool of blood
Readings
- Japanese names:
- あ、 あま、 うな、 うん、 え、 か、 た、 ひろ、 ひろし、 ぶ、 まち、 まま、 み、 め、 わたる
- Korean:
- hae
Spanish
- mar
- océano
- playa
Portuguese
- oceano
- mar
French
- mer
- océan
| 347 | 2001 Kanji |
| 3a6.20 | The Kanji Dictionary |
| 1-3-6 | SKIP code |
| 3815.7 | Four corner code |
| 1-19-04 | JIS X 0208-1997 kuten code |
| 6d77 | Unicode hex code |
Jōyō kanji, taught in grade 4
JLPT level N2
867 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 底 【テイ】 base (logarithmic, exponential, number system), radix, base (triangle, cone, cylinder, etc.), type, kind, extent, degree
- 底辺 【テイヘン】 base (of a polygon), bottom (of the social scale), lower levels, lower classes, base (e.g. of support), foundation, basis
- 奥底 【オクソコ】 depths, deep place, bottom (of one's heart)
- 水底 【スイテイ】 sea or river bottom
Kun reading compounds
- 底 【そこ】 bottom, sole
- 底入れ 【そこいれ】 bottoming out (of prices)
- 水底 【すいてい】 sea or river bottom
- 奥底 【おくそこ】 depths, deep place, bottom (of one's heart)
Readings
- Korean:
- ji, jeo
Spanish
- fondo
- suelo
- parte más baja
- base
Portuguese
- único
- fundo
- profundidade
- preço baixo
- base
- espécie
- tipo
French
- partie basse
- fond
- semelle
- profondeur
- prix plancher
- base
- sorte
| 475 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 576 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 549 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 791 | A New Dictionary of Kanji Usage |
| 1508 | Classic Nelson (Andrew Nelson) |
| 590 | Essential Kanji (P.G. O’Neill) |
| 508 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 992 | Japanese Names (P.G. O’Neill) |
| 562 | Kanji and Kana (Spahn and Hadamitzky) |
| 571 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 745 | Kanji in Context (Nishiguchi and Kono) |
| 585 | Kodansha Compact Kanji Guide |
| 3827 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1961 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2656 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1850 | Les Kanjis dans la tete (Yves Maniette) |
| 9262 | Morohashi |
| 3084 | New Japanese English Character Dictionary (Jack Halpern) |
| 1612 | New Nelson (John Haig) |
| 1833 | Remembering The Kanji (James Heisig) |
| 1975 | Remembering The Kanji, 6th edition (James Heisig) |
| 510 | Tuttle Kanji Cards (Alexander Kask) |
| 556 | 2001 Kanji |
| 3q5.3 | The Kanji Dictionary |
| 3-3-5 | SKIP code |
| 0024.2 | Four corner code |
| 1-36-76 | JIS X 0208-1997 kuten code |
| 5e95 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N2
508 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 谷底平野 【コクテイヘイヤ】 valley plain
- 渓谷 【ケイコク】 valley (with a river running through it), gorge, ravine, canyon
- 盤谷 【バンコク】 Bangkok (Thailand)
Kun reading compounds
- 谷 【たに】 valley
- 谷間 【たにま】 valley, ravine, gorge, chasm, cleavage (of breasts), part or place that has been left behind, blind spot, bottom (of society), (economic) trough, gap (in activity, one's work, etc.), lull, opening
- 死の谷 【しのたに】 valley of death (barrier between product development and commercialization stages)
- 気圧の谷 【きあつのたに】 low pressure trough
- 極まる 【きわまる】 to reach an extreme, to reach a limit, to terminate, to come to an end, extremely, to be stuck, to be in a dilemma, to be at a loss, to be decided, to be settled
Readings
- Japanese names:
- がい、 がえ、 がや、 せ、 たり、 たん、 や
- Korean:
- gog, yog
Spanish
- valle
Portuguese
- vale
French
- vallée
| 78 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 135 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 122 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 249 | A New Dictionary of Kanji Usage |
| 4458 | Classic Nelson (Andrew Nelson) |
| 528 | Essential Kanji (P.G. O’Neill) |
| 914 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 449 | Japanese Names (P.G. O’Neill) |
| 653 | Kanji and Kana (Spahn and Hadamitzky) |
| 664 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 458 | Kanji in Context (Nishiguchi and Kono) |
| 1714 | Kodansha Compact Kanji Guide |
| 2536 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1290 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1758 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 796 | Les Kanjis dans la tete (Yves Maniette) |
| 36182 | Morohashi |
| 2043 | New Japanese English Character Dictionary (Jack Halpern) |
| 5730 | New Nelson (John Haig) |
| 788 | Remembering The Kanji (James Heisig) |
| 851 | Remembering The Kanji, 6th edition (James Heisig) |
| 143 | Tuttle Kanji Cards (Alexander Kask) |
| 2077 | 2001 Kanji |
| 2o5.3 | The Kanji Dictionary |
| 2-2-5 | SKIP code |
| 8060.8 | Four corner code |
| 1-35-11 | JIS X 0208-1997 kuten code |
| 8c37 | Unicode hex code |