| 534 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 632 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 602 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 680 | A New Dictionary of Kanji Usage |
| 5138 | Classic Nelson (Andrew Nelson) |
| 493 | Essential Kanji (P.G. O’Neill) |
| 1012 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2755 | Japanese Names (P.G. O’Neill) |
| 3.16 | Japanese for Busy People |
| 226 | Kanji and Kana (Spahn and Hadamitzky) |
| 226 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 563 | Kanji in Context (Nishiguchi and Kono) |
| 1896 | Kodansha Compact Kanji Guide |
| 2275 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1176 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1606 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 940 | Les Kanjis dans la tete (Yves Maniette) |
| 43608P | Morohashi |
| 1807 | New Japanese English Character Dictionary (Jack Halpern) |
| 6647 | New Nelson (John Haig) |
| 931 | Remembering The Kanji (James Heisig) |
| 1000 | Remembering The Kanji, 6th edition (James Heisig) |
| 480 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 636 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
678 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 類 【ルイ】 kind, sort, type, class, genus, order, family, similar example, parallel, the like
- 類似 【ルイジ】 resemblance, similarity, likeness, analogy
- 魚類 【ギョルイ】 fish, fishes
- 魚介類 【ギョカイルイ】 marine products, seafood, fish and shellfish
Kun reading compounds
- 類い 【たぐい】 kind, sort, type, equal, match, peer
- 類いする 【たぐいする】 to be equal to, to be as good as, to be a match for, to rival
Readings
- Korean:
- ryu
Spanish
- variedad
- clase
- parecido
- afectar
Portuguese
- espécie
- tipo
- variedade
- classe
- gênero
French
- sorte
- variété
- classe
- genre
| 1061 | 2001 Kanji |
| 9a9.1 | The Kanji Dictionary |
| 1-9-9 | SKIP code |
| 9148.6 | Four corner code |
| 1-46-64 | JIS X 0208-1997 kuten code |
| 985e | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N5
622 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 友 【ユウ】 friend, affection (for siblings)
- 友愛 【ユウアイ】 fraternity, friendship
- 戦友 【センユウ】 comrade in arms, war buddy, fellow soldier
- 盟友 【メイユウ】 sworn friend
Kun reading compounds
- 友 【とも】 friend, companion, comrade, pal, accompaniment, companion (e.g. book), complement, accessory
- 友達 【ともだち】 friend, companion
- リア友 【リアとも】 real-life friend (as opposed to online friend)
- 酒のお供 【さけのおとも】 appetizer or snack served with drinks, accompaniment to an (alcoholic) drink
Readings
- Japanese names:
- う、 ど、 ゆ
- Korean:
- u
Spanish
- amigo
- compañero
Portuguese
- amigo
French
- ami
| 145 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 234 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 214 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 543 | A New Dictionary of Kanji Usage |
| 858 | Classic Nelson (Andrew Nelson) |
| 158 | Essential Kanji (P.G. O’Neill) |
| 30 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 70 | Japanese Names (P.G. O’Neill) |
| 2.18 | Japanese for Busy People |
| 264 | Kanji and Kana (Spahn and Hadamitzky) |
| 264 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 79 | Kanji in Context (Nishiguchi and Kono) |
| 268 | Kodansha Compact Kanji Guide |
| 3670 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1873 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2553 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 711 | Les Kanjis dans la tete (Yves Maniette) |
| 3119 | Morohashi |
| 2952 | New Japanese English Character Dictionary (Jack Halpern) |
| 672 | New Nelson (John Haig) |
| 704 | Remembering The Kanji (James Heisig) |
| 760 | Remembering The Kanji, 6th edition (James Heisig) |
| 451 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 104 | Tuttle Kanji Cards (Alexander Kask) |
| 1467 | 2001 Kanji |
| 2h2.3 | The Kanji Dictionary |
| 3-2-2 | SKIP code |
| 4-4-4 | SKIP code |
| 4004.7 | Four corner code |
| 1-45-07 | JIS X 0208-1997 kuten code |
| 53cb | Unicode hex code |