| 968 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 958 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1778 | A New Dictionary of Kanji Usage |
| 3752 | Classic Nelson (Andrew Nelson) |
| 943 | Essential Kanji (P.G. O’Neill) |
| 1670 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1277 | Kanji and Kana (Spahn and Hadamitzky) |
| 1351 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1343 | Kanji in Context (Nishiguchi and Kono) |
| 1028 | Kodansha Compact Kanji Guide |
| 1147 | Kodansha Kanji Dictionary (Jack Halpern) |
| 619 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 825 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 421 | Les Kanjis dans la tete (Yves Maniette) |
| 29422P | Morohashi |
| 916 | New Japanese English Character Dictionary (Jack Halpern) |
| 4791 | New Nelson (John Haig) |
| 414 | Remembering The Kanji (James Heisig) |
| 443 | Remembering The Kanji, 6th edition (James Heisig) |
| 894 | Tuttle Kanji Cards (Alexander Kask) |
lungs
- On:
- ハイ
Jōyō kanji, taught in grade 6
JLPT level N1
1387 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 肺 【ハイ】 lung
- 肺炎 【ハイエン】 pneumonia
- 珪肺 【ケイハイ】 silicosis
- 人工肺 【ジンコウハイ】 artificial lung
Readings
- Korean:
- pye, pae
Spanish
- pulmones
Portuguese
- pulmões
French
- poumon
| 3944 | 2001 Kanji |
| 4b5.9 | The Kanji Dictionary |
| 1-4-5 | SKIP code |
| 7022.7 | Four corner code |
| 7522.7 | Four corner code |
| 1-39-57 | JIS X 0208-1997 kuten code |
| 80ba | Unicode hex code |
sequential, follow
- On:
- ジュン
Jōyō kanji, taught in junior high
JLPT level N1
1699 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 循環器 【ジュンカンキ】 circulatory organ
- 循環 【ジュンカン】 circulation, rotation, cycle, loop
- 因循 【インジュン】 indecision, vacillation
Readings
- Korean:
- sun
Spanish
- girar
- dar vueltas
Portuguese
- sequencial
- companheiro
French
- cycle
- circulation
- camarade
| 1378 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1674 | A New Dictionary of Kanji Usage |
| 1625 | Classic Nelson (Andrew Nelson) |
| 1707 | Essential Kanji (P.G. O’Neill) |
| 1282 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1569 | Japanese Names (P.G. O’Neill) |
| 1479 | Kanji and Kana (Spahn and Hadamitzky) |
| 1576 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1387 | Kanji in Context (Nishiguchi and Kono) |
| 633 | Kodansha Compact Kanji Guide |
| 704 | Kodansha Kanji Dictionary (Jack Halpern) |
| 423 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 530 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1871 | Les Kanjis dans la tete (Yves Maniette) |
| 10187 | Morohashi |
| 578 | New Japanese English Character Dictionary (Jack Halpern) |
| 1758 | New Nelson (John Haig) |
| 1854 | Remembering The Kanji (James Heisig) |
| 1998 | Remembering The Kanji, 6th edition (James Heisig) |
| 1531 | Tuttle Kanji Cards (Alexander Kask) |
| 2079 | 2001 Kanji |
| 3i9.6 | The Kanji Dictionary |
| 1-3-9 | SKIP code |
| 2226.4 | Four corner code |
| 1-29-59 | JIS X 0208-1997 kuten code |
| 5faa | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
409 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 環 【カン】 ring, band, rim, ring, circum-
- 環境 【カンキョウ】 environment, surroundings, circumstances
- 円環 【エンカン】 circle, ring
- 外環 【ガイカン】 outer ring, outer loop
Kun reading compounds
- 輪 【わ】 ring, circle, loop, hoop, wheel, circle (e.g. of friends), planetary ring
- 浮き輪 【うきわ】 swim ring, swimming ring, life buoy, life belt, life preserver, lifesaver
- 腕輪 【うでわ】 bracelet, bangle
Readings
- Japanese names:
- たま、 たまき
- Korean:
- hwan
Spanish
- círculo
- anillo
- eslabón
- giro
Portuguese
- argola
- círculo
- elo
- roda
French
- anneau
- cercle
- roue
- maillon
| 1115 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 991 | A New Dictionary of Kanji Usage |
| 2970 | Classic Nelson (Andrew Nelson) |
| 1568 | Essential Kanji (P.G. O’Neill) |
| 737 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2620 | Japanese Names (P.G. O’Neill) |
| 865 | Kanji and Kana (Spahn and Hadamitzky) |
| 884 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1035 | Kanji in Context (Nishiguchi and Kono) |
| 1323 | Kodansha Compact Kanji Guide |
| 1395 | Kodansha Kanji Dictionary (Jack Halpern) |
| 747 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1011 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 844 | Les Kanjis dans la tete (Yves Maniette) |
| 21287 | Morohashi |
| 1090 | New Japanese English Character Dictionary (Jack Halpern) |
| 3680 | New Nelson (John Haig) |
| 836 | Remembering The Kanji (James Heisig) |
| 899 | Remembering The Kanji, 6th edition (James Heisig) |
| 1875 | Tuttle Kanji Cards (Alexander Kask) |
| 3165 | 2001 Kanji |
| 4f13.1 | The Kanji Dictionary |
| 1-4-13 | SKIP code |
| 1613.2 | Four corner code |
| 1-20-36 | JIS X 0208-1997 kuten code |
| 74b0 | Unicode hex code |