| 570 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 664 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 634 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 395 | A New Dictionary of Kanji Usage |
| 3217 | Classic Nelson (Andrew Nelson) |
| 661 | Essential Kanji (P.G. O’Neill) |
| 767 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2305 | Japanese Names (P.G. O’Neill) |
| 603 | Kanji and Kana (Spahn and Hadamitzky) |
| 613 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 803 | Kanji in Context (Nishiguchi and Kono) |
| 1409 | Kodansha Compact Kanji Guide |
| 1571 | Kodansha Kanji Dictionary (Jack Halpern) |
| 830 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1135 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 574 | Les Kanjis dans la tete (Yves Maniette) |
| 24366 | Morohashi |
| 1228 | New Japanese English Character Dictionary (Jack Halpern) |
| 4039 | New Nelson (John Haig) |
| 567 | Remembering The Kanji (James Heisig) |
| 609 | Remembering The Kanji, 6th edition (James Heisig) |
| 343 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 805 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N3
252 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 確 【カク】 certain, definite
- 確執 【カクシツ】 discord, antagonism
- 当確 【トウカク】 projected to win, sure to be elected, home free
- 精確 【セイカク】 detailed and accurate, exhaustive and precise, meticulous, finely detailed
Kun reading compounds
- 確か 【たしか】 sure, certain, positive, definite, reliable, trustworthy, safe, sound, firm, accurate, correct, exact, If I'm not mistaken, If I remember correctly, If I remember rightly
- 確かめる 【たしかめる】 to make sure, to check, to ascertain, to confirm, to verify
- 確かめる 【たしかめる】 to make sure, to check, to ascertain, to confirm, to verify
Readings
- Korean:
- hwag
Spanish
- seguro
- cierto
- genuino
- capaz
- asegurarse
- afirmar
Portuguese
- garantia
- firme
- sólido
- duradouro
- apertado
- confirmar
- limpar
- evidente
French
- certitude
- confirmation
- sûr
- solide
- clair
- évident
| 3375 | 2001 Kanji |
| 5a10.3 | The Kanji Dictionary |
| 1-5-10 | SKIP code |
| 1461.4 | Four corner code |
| 1-19-46 | JIS X 0208-1997 kuten code |
| 78ba | Unicode hex code |
Jōyō kanji, taught in grade 4
JLPT level N2
750 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 固体 【コタイ】 solid (body), solid matter, solid-state
- 固形 【コケイ】 solid (body)
- 凝固 【ギョウコ】 coagulation, freezing, solidification
- 簡明強固 【カンメイキョウコ】 plain and sturdy
Kun reading compounds
- 固める 【かためる】 to harden, to freeze, to strengthen, to solidify, to make (a fist), to tramp down (snow, dirt), to put together, to collect, to gather, to consolidate, to make secure, to stabilize, to settle down, to strengthen (belief, resolution, etc.), to establish (evidence), to fortify, to reinforce, to support, to wear for a specific purpose (armor, coat, etc.), to swear, to resolutely vow, to sincerely promise, to tie tightly, to fasten, to hold a bow fully drawn
- 固まる 【かたまる】 to harden, to solidify, to become firm, to become certain, to gather (together), to assemble, to huddle together, to freeze, to hang, to stop responding
- 塊 【かたまり】 lump, mass, bundle, clump, clod, cluster, group, crowd, embodiment (of an idea, quality, feeling etc.), personification
- 塊肉 【かたまりにく】 chunk of meat (e.g. for grilling), joint of meat
- 硬い 【かたい】 hard, solid, tough, stiff, tight, wooden, unpolished (e.g. writing), strong, firm (not viscous or easily moved), safe, steady, honest, steadfast, obstinate, stubborn, bookish, formal, stuffy
- かたいことは言いっこなし 【かたいことはいいっこなし】 let's put formalities aside, let's not speak so stiffly
Readings
- Korean:
- go
Spanish
- endurecer
- fijar
- terco
- testarudo
- originario de
Portuguese
- endurecer
- aglomerar
- coágulo
- coagular
French
- solide
- durcir
- résolu
- coaguler
- cailler
| 393 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 501 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 476 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 834 | A New Dictionary of Kanji Usage |
| 1036 | Classic Nelson (Andrew Nelson) |
| 738 | Essential Kanji (P.G. O’Neill) |
| 424 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 744 | Japanese Names (P.G. O’Neill) |
| 972 | Kanji and Kana (Spahn and Hadamitzky) |
| 1004 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 470 | Kanji in Context (Nishiguchi and Kono) |
| 343 | Kodansha Compact Kanji Guide |
| 3830 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1963 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2658 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 587 | Les Kanjis dans la tete (Yves Maniette) |
| 4745 | Morohashi |
| 3086 | New Japanese English Character Dictionary (Jack Halpern) |
| 949 | New Nelson (John Haig) |
| 580 | Remembering The Kanji (James Heisig) |
| 622 | Remembering The Kanji, 6th edition (James Heisig) |
| 503 | Tuttle Kanji Cards (Alexander Kask) |
| 1577 | 2001 Kanji |
| 3s5.2 | The Kanji Dictionary |
| 3-3-5 | SKIP code |
| 6060.4 | Four corner code |
| 1-24-39 | JIS X 0208-1997 kuten code |
| 56fa | Unicode hex code |