| 1677 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 1373 | A New Dictionary of Kanji Usage | 
| 1648 | Classic Nelson (Andrew Nelson) | 
| 1060 | Essential Kanji (P.G. O’Neill) | 
| 1288 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 463 | Japanese Names (P.G. O’Neill) | 
| 1414 | Kanji and Kana (Spahn and Hadamitzky) | 
| 1503 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 1775 | Kanji in Context (Nishiguchi and Kono) | 
| 771 | Kodansha Compact Kanji Guide | 
| 2750 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1407 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 1899 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 604 | Les Kanjis dans la tete (Yves Maniette) | 
| 10312P | Morohashi | 
| 2212 | New Japanese English Character Dictionary (Jack Halpern) | 
| 1787 | New Nelson (John Haig) | 
| 597 | Remembering The Kanji (James Heisig) | 
| 642 | Remembering The Kanji, 6th edition (James Heisig) | 
| 1122 | Tuttle Kanji Cards (Alexander Kask) | 
      Jōyō kanji, taught in junior high
    
    
      JLPT level N1
    
    
      1700 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 忍 【ニン】 endurance, forbearance, patience, self-restraint
 - 忍耐 【ニンタイ】 endurance, perseverance, patience
 - 無生法忍 【ムショウホウニン】 anutpattika-dharma-ksanti (recognition that nothing really arises or perishes)
 - 中忍 【チュウニン】 ninja commander
 
Kun reading compounds
- 忍 【しのぶ】 squirrel's foot fern (Davallia mariesii), Lepisorus thunbergianus (species of fern), color of clothing layers under one's overcoat (light green on blue), shinobu-wake (Edo-period women's hairstyle), clothing patterned using squirrel's foot fern
 - 忍ぶ 【しのぶ】 to conceal oneself, to hide, to endure, to bear, to stand, to put up with
 - 軒忍 【のきしのぶ】 weeping fern (Lepisorus thunbergianus)
 - 立忍 【たちしのぶ】 Japanese claw fern (Onychium japonicum), carrot fern
 - 忍ばせる 【しのばせる】 to conceal, to hide
 
Readings
- Japanese names:
 - おし
 
- Korean:
 - in
 
Spanish
- resistencia
 - aguante
 - oculto
 - escondido
 - resistir
 - aguantar
 - soportar
 - ocultarse
 - esconderse
 - ir a hurtadillas
 
Portuguese
- suporte
 - carregar
 - tolerar
 - esconder
 - ocultar
 - espionar
 - furtivo
 
French
- supporter
 - endurer
 - dissimuler
 - cacher
 - secret
 - espion
 - se glisser
 - subrepticement
 
| 3558 | 2001 Kanji | 
| 4k3.3 | The Kanji Dictionary | 
| 2-3-4 | SKIP code | 
| 1733.2 | Four corner code | 
| 1-39-06 | JIS X 0208-1997 kuten code | 
| 5fcd | Unicode hex code | 
      Jōyō kanji, taught in grade 2
    
    
      JLPT level N3
    
    
      388 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 声楽 【セイガク】 vocal music
 - 声援 【セイエン】 (shout of) encouragement, cheering, rooting, support
 - 肉声 【ニクセイ】 natural voice (without a microphone)
 - 和声 【ワセイ】 harmony, concord, consonance
 - 声 【ショウ】 voice, sound, tone (of Chinese character), tone mark, stress (in pronunciation), intonation, accent
 - 声点 【ショウテン】 tone mark, mark placed in one of the four corners of a Chinese character to indicate the tone
 - 高声 【コウセイ】 loud voice, high-pitched voice
 - 上声 【ジョウショウ】 rising tone (in Chinese), (of a Japanese accent) having a high, flat tone
 
Kun reading compounds
- 声 【こえ】 voice, singing (of a bird), chirping (of an insect), hoot, voice, opinion (as expressed in words), view, wish, attitude, will, sound, sense (of something's arrival), feeling, voice, voiced sound
 - 声かけ 【こえかけ】 saying something (to someone), greeting, approaching (someone)
 - 一声 【いっせい】 voice, cry, shout
 - 険しい声 【けわしいこえ】 sharp voice
 
Readings
- Korean:
 - seong
 
Spanish
- voz
 - fama
 - reputación
 - rumor
 
Portuguese
- Voz
 
French
- voix
 
| 97 | A Guide To Reading and Writing Japanese (Florence Sakade) | 
| 170 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) | 
| 153 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 467 | A New Dictionary of Kanji Usage | 
| 1066 | Classic Nelson (Andrew Nelson) | 
| 226 | Essential Kanji (P.G. O’Neill) | 
| 146 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 465 | Japanese Names (P.G. O’Neill) | 
| 2.14 | Japanese for Busy People | 
| 746 | Kanji and Kana (Spahn and Hadamitzky) | 
| 759 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 619 | Kanji in Context (Nishiguchi and Kono) | 
| 396 | Kodansha Compact Kanji Guide | 
| 2724 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1393 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 1880 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 1914 | Les Kanjis dans la tete (Yves Maniette) | 
| 5645 | Morohashi | 
| 2198 | New Japanese English Character Dictionary (Jack Halpern) | 
| 989 | New Nelson (John Haig) | 
| 1896 | Remembering The Kanji (James Heisig) | 
| 2044 | Remembering The Kanji, 6th edition (James Heisig) | 
| 299 | The Kanji Way to Japanese Language Power (Dale Crowley) | 
| 147 | Tuttle Kanji Cards (Alexander Kask) | 
| 1460 | 2001 Kanji | 
| 3p4.4 | The Kanji Dictionary | 
| 2-3-4 | SKIP code | 
| 4027.7 | Four corner code | 
| 1-32-28 | JIS X 0208-1997 kuten code | 
| 58f0 | Unicode hex code |