| 171 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 261 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 241 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 80 | A New Dictionary of Kanji Usage |
| 4950 | Classic Nelson (Andrew Nelson) |
| 550 | Essential Kanji (P.G. O’Neill) |
| 270 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1821 | Japanese Names (P.G. O’Neill) |
| 2.13 | Japanese for Busy People |
| 396 | Kanji and Kana (Spahn and Hadamitzky) |
| 400 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 215 | Kanji in Context (Nishiguchi and Kono) |
| 1840 | Kodansha Compact Kanji Guide |
| 4121 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2092 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2835 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1636 | Les Kanjis dans la tete (Yves Maniette) |
| 41233 | Morohashi |
| 3321 | New Japanese English Character Dictionary (Jack Halpern) |
| 6393 | New Nelson (John Haig) |
| 1622 | Remembering The Kanji (James Heisig) |
| 1750 | Remembering The Kanji, 6th edition (James Heisig) |
| 290 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 391 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N4
59 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 開花 【カイカ】 flowering, blooming, blossoming, coming into bloom, flowering (of a civilization, talent, etc.), blossoming, blooming, bearing fruit (of efforts)
- 開演 【カイエン】 curtain raising, starting (e.g. play, concert)
- 疎開 【ソカイ】 evacuation (to the country), spreading out (troops), deployment, dispersal
- 非公開 【ヒコウカイ】 private, non-public, secret, closed-door, closed
Kun reading compounds
- 開く 【ひらく】 to open, to undo, to unseal, to unpack, to bloom, to unfold, to spread out, to open (for business, e.g. in the morning), to be wide (gap, etc.), to widen, to hold (meeting, party, etc.), to give, to open, to found (nation, dynasty, sect, etc.), to open (a new business), to set up, to establish, to start, to open (ports, borders, etc.), to open (an account), to open up (new land, path, etc.), to clear, to develop, to open (a file, etc.), to extract (root), to reduce (equation), to cut open (fish), to change (kanji into hiragana), to flare (e.g. skirt), to slacken (into a poor posture)
- 開き 【ひらき】 opening, gap, dried and opened fish
- 開き直る 【ひらきなおる】 to become defiant, to fight back, to turn upon, to take the offensive
- 開ける 【ひらける】 to open out (of a view, scenery, etc.), to spread out, to become clear (of a road, visibility, etc.), to open up, to improve (of luck, prospects, etc.), to get better, to develop (of a town, civilization, etc.), to become civilized, to modernize, to grow, to advance (of knowledge, ideas, etc.), to be sensible, to be understanding, to be enlightened, to open (of a new road, railway, etc.), to be opened to traffic, to become populous, to become densely built, to become bustling
- 開く 【あく】 to open (e.g. doors), to open (e.g. business, etc.), to be empty, to be vacant, to be available, to be free, to be open (e.g. neckline, etc.), to have been opened (of one's eyes, mouth, etc.), to come to an end, to open (one's eyes, mouth, etc.), to have a hole, to form a gap, to have an interval (between events)
- 開ける 【あける】 to open (a door, etc.), to unwrap (e.g. parcel, package), to unlock, to open (for business, etc.), to empty, to remove, to make space, to make room, to move out, to clear out, to be away from (e.g. one's house), to leave (temporarily), to dawn, to grow light, to end (of a period, season), to begin (of the New Year), to leave (one's schedule) open, to make time (for), to make (a hole), to open up (a hole)
Readings
- Japanese names:
- はる、 か、 ひらき
- Korean:
- gae
Spanish
- abrir
- desdoblar
- dar comienzo
- abrirse
- estar abierto
Portuguese
- abrir
- desdobrar
- deslacrar
French
- ouvrir
- s'ouvrir
- briser le sceau
| 3855 | 2001 Kanji |
| 8e4.6 | The Kanji Dictionary |
| 3-8-4 | SKIP code |
| 7744.1 | Four corner code |
| 1-19-11 | JIS X 0208-1997 kuten code |
| 958b | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N4
284 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 口 【ク】 mouth, speech, counter for people or implements
- 口径 【コウケイ】 aperture, bore, calibre, caliber
- 開口 【カイコウ】 opening, aperture (e.g. camera), opening one's mouth, beginning to speak, open, broad
- 経口 【ケイコウ】 taken by mouth, oral
- 口 【ク】 mouth, speech, counter for people or implements
- 口 【クチ】 mouth, opening, hole, gap, orifice, mouth (of a bottle), spout, nozzle, mouthpiece, gate, door, entrance, exit, speaking, speech, talk (i.e. gossip), taste, palate, mouth (to feed), opening (i.e. vacancy), available position, invitation, summons, kind, sort, type, opening (i.e. beginning), counter for mouthfuls, shares (of money), stove burners, and swords
- 猪口 【チョコ】 sake cup, small deep porcelain bowl for serving food
- 赤口 【シャッコウ】 day that is unlucky except between the auspicious hours of 11am and 1pm (in the traditional calendar)
Kun reading compounds
- 口 【くち】 mouth, opening, hole, gap, orifice, mouth (of a bottle), spout, nozzle, mouthpiece, gate, door, entrance, exit, speaking, speech, talk (i.e. gossip), taste, palate, mouth (to feed), opening (i.e. vacancy), available position, invitation, summons, kind, sort, type, opening (i.e. beginning), counter for mouthfuls, shares (of money), stove burners, and swords
- 口利き 【くちきき】 mediation, good offices, intervention, mediator, middleman, influential person, person of influence, eloquence, eloquent person, way of speaking
- 切り口 【きりくち】 cut end, section, opening, slit, point of view, (different) perspective, new approach
- 大口 【おおぐち】 big mouth, mouth opened wide, boastful speech, tall talk, bragging, boasting, large amount, large quantity
Readings
- Korean:
- gu
Spanish
- boca
- orificio
- apertura
Portuguese
- boca
French
- bouche
| 27 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 34 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 20 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 213 | A New Dictionary of Kanji Usage |
| 868 | Classic Nelson (Andrew Nelson) |
| 38 | Essential Kanji (P.G. O’Neill) |
| 31 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 29 | Japanese Names (P.G. O’Neill) |
| 2.16 | Japanese for Busy People |
| 54 | Kanji and Kana (Spahn and Hadamitzky) |
| 54 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 167 | Kanji in Context (Nishiguchi and Kono) |
| 276 | Kodansha Compact Kanji Guide |
| 4189 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2119 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2865 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 11 | Les Kanjis dans la tete (Yves Maniette) |
| 3227 | Morohashi |
| 3382 | New Japanese English Character Dictionary (Jack Halpern) |
| 685 | New Nelson (John Haig) |
| 11 | Remembering The Kanji (James Heisig) |
| 11 | Remembering The Kanji, 6th edition (James Heisig) |
| 200 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 16 | Tuttle Kanji Cards (Alexander Kask) |
| 3777 | 2001 Kanji |
| 3d0.1 | The Kanji Dictionary |
| 4-3-1 | SKIP code |
| 3-3-0 | SKIP code |
| 6000.0 | Four corner code |
| 1-24-93 | JIS X 0208-1997 kuten code |
| 53e3 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N3
148 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 複数 【フクスウ】 plural, multiple, plural (number)
- 枚数 【マイスウ】 the number of flat things, win-loss difference which influences the ranking of wrestlers
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 数牌 【シューパイ】 suited tiles
Kun reading compounds
- 数 【かず】 number, amount
- 数多く 【かずおおく】 in great numbers
- 手数 【てすう】 trouble, bother, number of moves (in go, shogi, etc.), number of punches
- 口数 【くちかず】 number of words a person speaks, number of dependents, number of mouths to feed, number of shares, items, applications, etc.
- 数える 【かぞえる】 to count, to enumerate
- 屡々 【しばしば】 often, again and again, frequently, repeatedly
Readings
- Japanese names:
- じゅ
- Korean:
- su, chog
Spanish
- número
- cifra
- contar
Portuguese
- número
- vigor
- destino
- lei
- figuras
French
- nombre
- compter
- destin
- loi
- chiffres
| 262 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 168 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 151 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 188 | A New Dictionary of Kanji Usage |
| 2057 | Classic Nelson (Andrew Nelson) |
| 429 | Essential Kanji (P.G. O’Neill) |
| 592 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2169 | Japanese Names (P.G. O’Neill) |
| 3.6 | Japanese for Busy People |
| 225 | Kanji and Kana (Spahn and Hadamitzky) |
| 225 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 529 | Kanji in Context (Nishiguchi and Kono) |
| 945 | Kodansha Compact Kanji Guide |
| 2245 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1170 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1591 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 938 | Les Kanjis dans la tete (Yves Maniette) |
| 13319 | Morohashi |
| 1790 | New Japanese English Character Dictionary (Jack Halpern) |
| 2353 | New Nelson (John Haig) |
| 929 | Remembering The Kanji (James Heisig) |
| 998 | Remembering The Kanji, 6th edition (James Heisig) |
| 159 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 227 | Tuttle Kanji Cards (Alexander Kask) |
| 1066 | 2001 Kanji |
| 4i9.1 | The Kanji Dictionary |
| 1-9-4 | SKIP code |
| 9844.0 | Four corner code |
| 1-31-84 | JIS X 0208-1997 kuten code |
| 6570 | Unicode hex code |