| 500 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 600 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 572 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 134 | A New Dictionary of Kanji Usage |
| 17 | Classic Nelson (Andrew Nelson) |
| 130 | Essential Kanji (P.G. O’Neill) |
| 104 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 94 | Japanese Names (P.G. O’Neill) |
| 3.18 | Japanese for Busy People |
| 94 | Kanji and Kana (Spahn and Hadamitzky) |
| 94 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 422 | Kanji in Context (Nishiguchi and Kono) |
| 10 | Kodansha Compact Kanji Guide |
| 4242 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2141 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2890 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1225 | Les Kanjis dans la tete (Yves Maniette) |
| 19 | Morohashi |
| 3434 | New Japanese English Character Dictionary (Jack Halpern) |
| 13 | New Nelson (John Haig) |
| 1217 | Remembering The Kanji (James Heisig) |
| 1302 | Remembering The Kanji, 6th edition (James Heisig) |
| 103 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 444 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N4
101 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 不 【フ】 un-, non-
- 不安 【フアン】 anxiety, uneasiness, worry, apprehension, fear, insecurity, suspense
- 意味不 【イミフ】 of uncertain meaning, ambiguous, cryptic, nonsensical, incomprehensible, perplexing
- 社不 【シャフ】 person unfit for society, misfit
- 無 【ブ】 un-, non-, bad ..., poor ...
- 不気味 【ブキミ】 weird, eerie, ominous, creepy, uncanny, unearthly
Readings
- Korean:
- bu, bul
Spanish
- prefijo negativo: in-
- des-
Portuguese
- Prefixo negativo
- negativa
- não
- feia
- ruim
- deselegante
French
- négation
- non
- mauvais
- laid
- maladroit
| 3154 | 2001 Kanji |
| 0a4.2 | The Kanji Dictionary |
| 4-4-1 | SKIP code |
| 3-3-1 | SKIP code |
| 3-2-2 | SKIP code |
| 1090.0 | Four corner code |
| 1-41-52 | JIS X 0208-1997 kuten code |
| 4e0d | Unicode hex code |
Jōyō kanji, taught in grade 4
JLPT level N3
729 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 便 【ベン】 convenience, service, facility, accommodation, excreta (esp. faeces), excrement, stool
- 便宜 【ベンギ】 convenience, accommodation, advantage, benefit, expediency
- 利便 【リベン】 convenience
- 大便 【ダイベン】 feces, faeces, excrement, stool
- 便 【ビン】 flight (e.g. airline flight), trip (e.g. train trip), service, mail, post, letter, opportunity, chance
- 便宜 【ベンギ】 convenience, accommodation, advantage, benefit, expediency
- 穏便 【オンビン】 gentle, peaceable, amicable, quiet, without fuss, simply
- 増便 【ゾウビン】 increase in the number of flights
Kun reading compounds
- 便り 【たより】 news, tidings, information, correspondence, letter
- 便りがないのはよい便り 【たよりがないのはよいたより】 no news is good news
Readings
- Korean:
- pyeon, byeon
Spanish
- conveniencia
- excremento
- noticias
- correspondencia
- carta
Portuguese
- conveniência
French
- commodité
- courrier
- vol (avion)
- nouvelles
| 510 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 610 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 582 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 578 | A New Dictionary of Kanji Usage |
| 450 | Classic Nelson (Andrew Nelson) |
| 265 | Essential Kanji (P.G. O’Neill) |
| 118 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 3.8 | Japanese for Busy People |
| 330 | Kanji and Kana (Spahn and Hadamitzky) |
| 330 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 227 | Kanji in Context (Nishiguchi and Kono) |
| 101 | Kodansha Compact Kanji Guide |
| 105 | Kodansha Kanji Dictionary (Jack Halpern) |
| 71 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 75 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1000 | Les Kanjis dans la tete (Yves Maniette) |
| 659 | Morohashi |
| 95 | New Japanese English Character Dictionary (Jack Halpern) |
| 219 | New Nelson (John Haig) |
| 991 | Remembering The Kanji (James Heisig) |
| 1066 | Remembering The Kanji, 6th edition (James Heisig) |
| 533 | Tuttle Kanji Cards (Alexander Kask) |
| 2166 | 2001 Kanji |
| 2a7.5 | The Kanji Dictionary |
| 1-2-7 | SKIP code |
| 2124.6 | Four corner code |
| 1-42-56 | JIS X 0208-1997 kuten code |
| 4fbf | Unicode hex code |