| 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-, negative prefix
- 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 2
JLPT level N3
98 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 首 【シュ】 counter for songs and poems
- 首級 【シュキュウ】 decapitated head of an enemy
- 元首 【ゲンシュ】 sovereign, ruler, head of state
- 百人一首 【ヒャクニンイッシュ】 (Ogura) Hyakunin Isshu, classical Japanese anthology of one hundred Japanese waka by one hundred poets, hyakunin isshu karuta, hyakunin isshu poetry cards, deck of 200 cards, the 100 waka of the Hyakunin Isshu split between them, to be matched together during the game
Kun reading compounds
- 首 【くび】 neck, head, dismissal (from a job), firing, sacking
- 首飾り 【くびかざり】 necklace, choker
- 縛り首 【しばりくび】 (death by) hanging
- 猪首 【いくび】 bull neck
Readings
- Japanese names:
- おびと、 こべ、 す
- Korean:
- su
Spanish
- cuello
- principio
Portuguese
- pescoço
French
- cou
- compteur de chansons ou poèmes
| 239 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 155 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 139 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 208 | A New Dictionary of Kanji Usage |
| 5186 | Classic Nelson (Andrew Nelson) |
| 138 | Essential Kanji (P.G. O’Neill) |
| 281 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 920 | Japanese Names (P.G. O’Neill) |
| 148 | Kanji and Kana (Spahn and Hadamitzky) |
| 148 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 393 | Kanji in Context (Nishiguchi and Kono) |
| 1910 | Kodansha Compact Kanji Guide |
| 2818 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1452 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1956 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 70 | Les Kanjis dans la tete (Yves Maniette) |
| 44489 | Morohashi |
| 2265 | New Japanese English Character Dictionary (Jack Halpern) |
| 6719 | New Nelson (John Haig) |
| 70 | Remembering The Kanji (James Heisig) |
| 74 | Remembering The Kanji, 6th edition (James Heisig) |
| 177 | Tuttle Kanji Cards (Alexander Kask) |
| 979 | 2001 Kanji |
| 2o7.2 | The Kanji Dictionary |
| 2-3-6 | SKIP code |
| 8060.1 | Four corner code |
| 1-28-83 | JIS X 0208-1997 kuten code |
| 9996 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
875 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 尾 【ビ】 Chinese "Tail" constellation (one of the 28 mansions), counter for fish, shrimp, etc.
- 尾行 【ビコウ】 shadow, tail, following
- 最後尾 【サイコウビ】 end (e.g. of a line), tail end, rear, backmost part
- 交尾 【コウビ】 copulation (among animals), mating, treading, covering, serving
Kun reading compounds
- 尾 【お】 tail (of an animal), cauda, tail (of a kite, etc.), tail end, tail (of a comet), slope at the foot of a mountain
- 尾根 【おね】 (mountain) ridge
- ガスの尾 【ガスのお】 gas tail (of a comet)
- 虎の尾 【とらのお】 tiger's tail, gooseneck loosestrife (Lysimachia clethroides), Asplenium incisum (species of spleenwort)
Readings
- Korean:
- mi
Spanish
- cola
- final
- parte trasera
- contador de peces
Portuguese
- rabo
- fim
- sufixo para contagem de p/ peixes
- fundo de uma rampa
French
- queue
- bout
- compteur de poissons
- bas de pente (montagne)
| 1734 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 675 | A New Dictionary of Kanji Usage |
| 1383 | Classic Nelson (Andrew Nelson) |
| 1005 | Essential Kanji (P.G. O’Neill) |
| 1230 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 505 | Japanese Names (P.G. O’Neill) |
| 1868 | Kanji and Kana (Spahn and Hadamitzky) |
| 2028 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1723 | Kanji in Context (Nishiguchi and Kono) |
| 526 | Kodansha Compact Kanji Guide |
| 3799 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1942 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2635 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1934 | Les Kanjis dans la tete (Yves Maniette) |
| 7650 | Morohashi |
| 3062 | New Japanese English Character Dictionary (Jack Halpern) |
| 1411 | New Nelson (John Haig) |
| 1915 | Remembering The Kanji (James Heisig) |
| 2064 | Remembering The Kanji, 6th edition (James Heisig) |
| 1117 | Tuttle Kanji Cards (Alexander Kask) |
| 3756 | 2001 Kanji |
| 3r4.2 | The Kanji Dictionary |
| 3-3-4 | SKIP code |
| 7721.4 | Four corner code |
| 1-40-88 | JIS X 0208-1997 kuten code |
| 5c3e | Unicode hex code |