| 258 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 342 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 325 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 552 | A New Dictionary of Kanji Usage |
| 2606 | Classic Nelson (Andrew Nelson) |
| 593 | Essential Kanji (P.G. O’Neill) |
| 690 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1341 | Japanese Names (P.G. O’Neill) |
| 536 | Kanji and Kana (Spahn and Hadamitzky) |
| 545 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 121 | Kanji in Context (Nishiguchi and Kono) |
| 1212 | Kodansha Compact Kanji Guide |
| 636 | Kodansha Kanji Dictionary (Jack Halpern) |
| 385 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 480 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1339 | Les Kanjis dans la tete (Yves Maniette) |
| 17687 | Morohashi |
| 524 | New Japanese English Character Dictionary (Jack Halpern) |
| 3206 | New Nelson (John Haig) |
| 1328 | Remembering The Kanji (James Heisig) |
| 1426 | Remembering The Kanji, 6th edition (James Heisig) |
| 424 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 377 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N3
484 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 深刻 【シンコク】 serious, severe, grave, acute
- 深海 【シンカイ】 deep sea, depths of the sea, ocean depths
- 以深 【イシン】 ... or deeper, ... and below
- 海深 【カイシン】 depth of the sea
Kun reading compounds
- 深い 【ふかい】 deep, profound, dense, thick, close (relationship), intense, strong, late
- 深入り 【ふかいり】 getting deeply involved, going deeply into, going too far (into something)
- 深まる 【ふかまる】 to deepen, to heighten, to intensify
- 深める 【ふかめる】 to deepen, to heighten, to intensify
Readings
- Korean:
- sim
Spanish
- profundo
- hondo
- profundizar
- profundizar en
Portuguese
- fundo
- aumentar
- intensificar
- fortalecer
French
- profond
- augmenter
- intensifier
- renforcer
| 364 | 2001 Kanji |
| 3a8.21 | The Kanji Dictionary |
| 1-3-8 | SKIP code |
| 3719.4 | Four corner code |
| 1-31-28 | JIS X 0208-1997 kuten code |
| 6df1 | Unicode hex code |
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
| 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) |
| 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 2
JLPT level N2
575 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 戸 【コ】 counter for houses, households, apartments, etc.
- 戸外 【コガイ】 open air, outdoors, outside
- 一戸 【イッコ】 one house, household
- 下戸 【ゲコ】 non-drinker, someone who cannot drink
Kun reading compounds
- 戸 【と】 door (esp. Japanese-style), shutter, window shutter, entrance (to a home), narrows
- 戸惑い 【とまどい】 being at sea, losing one's bearings, confusion, wonderment, disorientation upon waking at night, forgetting which house or room to enter
- 鳴門 【なると】 strait with a roaring tidal ebb and flow, whirlpool, maelstrom, kamaboko with a spiral whirlpool-like pattern, cooking technique where ingredients are cut in a spiral pattern, Naruto (city in Tokushima), Naruto Strait, Naruto wakame
- 引き戸 【ひきど】 sliding door
Readings
- Japanese names:
- え、 へ
- Korean:
- ho
Spanish
- puerta
- casa
- puerta corrediza
Portuguese
- Porta
French
- porte
- compteur de maisons
- radical porte (no 63)
| 69 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 120 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 108 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 342 | A New Dictionary of Kanji Usage |
| 1817 | Classic Nelson (Andrew Nelson) |
| 126 | Essential Kanji (P.G. O’Neill) |
| 551 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 59 | Japanese Names (P.G. O’Neill) |
| 152 | Kanji and Kana (Spahn and Hadamitzky) |
| 152 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 534 | Kanji in Context (Nishiguchi and Kono) |
| 841 | Kodansha Compact Kanji Guide |
| 2429 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1227 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1691 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1085 | Les Kanjis dans la tete (Yves Maniette) |
| 11696X | Morohashi |
| 1930 | New Japanese English Character Dictionary (Jack Halpern) |
| 2048 | New Nelson (John Haig) |
| 1076 | Remembering The Kanji (James Heisig) |
| 1157 | Remembering The Kanji, 6th edition (James Heisig) |
| 90 | Tuttle Kanji Cards (Alexander Kask) |
| 3060 | 2001 Kanji |
| 4m0.1 | The Kanji Dictionary |
| 2-1-3 | SKIP code |
| 3020.7 | Four corner code |
| 3027.7 | Four corner code |
| 1-24-45 | JIS X 0208-1997 kuten code |
| 6238 | Unicode hex code |