| 1251 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 1403 | A New Dictionary of Kanji Usage | 
| 1683 | Classic Nelson (Andrew Nelson) | 
| 1225 | Essential Kanji (P.G. O’Neill) | 
| 1292 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 809 | Japanese Names (P.G. O’Neill) | 
| 1275 | Kanji and Kana (Spahn and Hadamitzky) | 
| 1349 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 1785 | Kanji in Context (Nishiguchi and Kono) | 
| 813 | Kodansha Compact Kanji Guide | 
| 438 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 271 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 327 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 627 | Les Kanjis dans la tete (Yves Maniette) | 
| 10527 | Morohashi | 
| 367 | New Japanese English Character Dictionary (Jack Halpern) | 
| 1849 | New Nelson (John Haig) | 
| 620 | Remembering The Kanji (James Heisig) | 
| 667 | Remembering The Kanji, 6th edition (James Heisig) | 
| 1255 | Tuttle Kanji Cards (Alexander Kask) | 
      Jōyō kanji, taught in junior high
    
    
      JLPT level N1
    
    
      1314 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 恒常 【コウジョウ】 constancy, permanence
 - 恒久 【コウキュウ】 permanence, perpetuity
 
Kun reading compounds
- 常 【つね】 usual state of things
 
Readings
- Japanese names:
 - のぶ、 ひさ、 ひさし
 
- Korean:
 - hang, geung
 
Spanish
- eterno
 - siempre
 
Portuguese
- constância
 - sempre
 
French
- constance
 - toujours
 
| 1172 | 2001 Kanji | 
| 4k6.5 | The Kanji Dictionary | 
| 1-3-6 | SKIP code | 
| 1-1-8 | SKIP code | 
| 9101.6 | Four corner code | 
| 1-25-17 | JIS X 0208-1997 kuten code | 
| 6052 | Unicode hex code | 
      Jōyō kanji, taught in grade 3
    
    
      JLPT level N3
    
    
      798 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 等 【トウ】 class, order, rank, et cetera, etc., and the like, equal, iso-
 - 等身 【トウシン】 body proportions
 - 中等 【チュウトウ】 second grade, medium quality, average, middle class, secondary grade
 - 等々 【トウトウ】 etc., et cetera, and so on
 
Kun reading compounds
- 等しい 【ひとしい】 equal, identical, the same, no different (from), just like, equivalent
 - 等 【など】 et cetera, etc., and the like, and so forth, or something, the likes of, for example, for instance, for one
 - 等など 【などなど】 et cetera, etc., and the like, and so forth
 - 等など 【などなど】 et cetera, etc., and the like, and so forth
 
Readings
- Japanese names:
 - と、 ひ
 
- Korean:
 - deung
 
Spanish
- clase
 - calidad
 - igual que
 - igual
 - etcétera
 
Portuguese
- etc.
 - e assim por diante
 - classe (1º
 - 2º )
 - qualidade
 - igual
 - semelhante
 
French
- et ainsi de suite
 - etc...
 - semblable
 - classe (1ère)
 - qualité
 - égal
 - pluriel (peu respectueux)
 
| 484 | A Guide To Reading and Writing Japanese (Florence Sakade) | 
| 383 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) | 
| 361 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 601 | A New Dictionary of Kanji Usage | 
| 3396 | Classic Nelson (Andrew Nelson) | 
| 294 | Essential Kanji (P.G. O’Neill) | 
| 795 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 1770 | Japanese Names (P.G. O’Neill) | 
| 569 | Kanji and Kana (Spahn and Hadamitzky) | 
| 578 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 353 | Kanji in Context (Nishiguchi and Kono) | 
| 1479 | Kodansha Compact Kanji Guide | 
| 3321 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1723 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 2339 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 954 | Les Kanjis dans la tete (Yves Maniette) | 
| 25992 | Morohashi | 
| 2682 | New Japanese English Character Dictionary (Jack Halpern) | 
| 4287 | New Nelson (John Haig) | 
| 945 | Remembering The Kanji (James Heisig) | 
| 1016 | Remembering The Kanji, 6th edition (James Heisig) | 
| 151 | The Kanji Way to Japanese Language Power (Dale Crowley) | 
| 407 | Tuttle Kanji Cards (Alexander Kask) | 
| 2348 | 2001 Kanji | 
| 6f6.9 | The Kanji Dictionary | 
| 2-6-6 | SKIP code | 
| 8834.1 | Four corner code | 
| 1-37-89 | JIS X 0208-1997 kuten code | 
| 7b49 | Unicode hex code |