| 1470 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 252 | A New Dictionary of Kanji Usage |
| 165 | Classic Nelson (Andrew Nelson) |
| 916 | Essential Kanji (P.G. O’Neill) |
| 1031 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 103 | Japanese Names (P.G. O’Neill) |
| 1193 | Kanji and Kana (Spahn and Hadamitzky) |
| 1255 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1064 | Kanji in Context (Nishiguchi and Kono) |
| 34 | Kodansha Compact Kanji Guide |
| 4265 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2153 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2905 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1824 | Les Kanjis dans la tete (Yves Maniette) |
| 258 | Morohashi |
| 3454 | New Japanese English Character Dictionary (Jack Halpern) |
| 76 | New Nelson (John Haig) |
| 1806 | Remembering The Kanji (James Heisig) |
| 1946 | Remembering The Kanji, 6th edition (James Heisig) |
| 1019 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N1
339 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 井 【セイ】 well curb, Chinese "Well" constellation (one of the 28 mansions)
- 整然 【セイゼン】 orderly, regular, systematic, well-organized, well-organised, trim, tidy, accurate
- 市井 【シセイ】 the street, the town
- 整々 【セイセイ】 well-ordered, in good order, orderly
Kun reading compounds
- 井 【い】 well
- 堰 【せき】 dam, weir, barrier, sluice
- 筒井 【つつい】 round well
- 市井 【しせい】 the street, the town
Readings
- Japanese names:
- いの、 さい、 ひ
- Korean:
- jeong
Spanish
- pozo
- ciudad
Portuguese
- poço
French
- puits
- margelle
- ville
- communauté
| 1955 | 2001 Kanji |
| 0a4.46 | The Kanji Dictionary |
| 4-4-3 | SKIP code |
| 5500.0 | Four corner code |
| 1-16-70 | JIS X 0208-1997 kuten code |
| 4e95 | 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 |