| 55 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 94 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 88 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 158 | A New Dictionary of Kanji Usage |
| 2553 | Classic Nelson (Andrew Nelson) |
| 99 | Essential Kanji (P.G. O’Neill) |
| 211 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1071 | Japanese Names (P.G. O’Neill) |
| 3.14 | Japanese for Busy People |
| 117 | Kanji and Kana (Spahn and Hadamitzky) |
| 117 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 454 | Kanji in Context (Nishiguchi and Kono) |
| 1184 | Kodansha Compact Kanji Guide |
| 459 | Kodansha Kanji Dictionary (Jack Halpern) |
| 284 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 344 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 471 | Les Kanjis dans la tete (Yves Maniette) |
| 17450 | Morohashi |
| 384 | New Japanese English Character Dictionary (Jack Halpern) |
| 3133 | New Nelson (John Haig) |
| 461 | Remembering The Kanji (James Heisig) |
| 500 | Remembering The Kanji, 6th edition (James Heisig) |
| 206 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 171 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N4
200 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 海運 【カイウン】 maritime transport, shipping
- 海域 【カイイキ】 area of ocean
- 公海 【コウカイ】 high seas, international waters
- 内海 【ナイカイ】 inland sea, inlet, gulf, bay, lake
Kun reading compounds
- 海 【うみ】 sea, ocean, waters
- 海辺 【うみべ】 beach, seashore, seaside, coast
- 内海 【ないかい】 inland sea, inlet, gulf, bay, lake
- 血の海 【ちのうみ】 sea of blood, pool of blood
Readings
- Japanese names:
- あ、 あま、 うな、 うん、 え、 か、 た、 ひろ、 ひろし、 ぶ、 まち、 まま、 み、 め、 わたる
- Korean:
- hae
Spanish
- mar
- océano
- playa
Portuguese
- oceano
- mar
French
- mer
- océan
| 347 | 2001 Kanji |
| 3a6.20 | The Kanji Dictionary |
| 1-3-6 | SKIP code |
| 3815.7 | Four corner code |
| 1-19-04 | JIS X 0208-1997 kuten code |
| 6d77 | Unicode hex code |
Jōyō kanji, taught in grade 4
JLPT level N2
867 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 底 【テイ】 base (logarithmic, exponential, number system), radix, base (triangle, cone, cylinder, etc.), type, kind, extent, degree
- 底辺 【テイヘン】 base (of a polygon), bottom (of the social scale), lower levels, lower classes, base (e.g. of support), foundation, basis
- 奥底 【オクソコ】 depths, deep place, bottom (of one's heart)
- 水底 【スイテイ】 sea or river bottom
Kun reading compounds
- 底 【そこ】 bottom, sole
- 底入れ 【そこいれ】 bottoming out (of prices)
- 水底 【すいてい】 sea or river bottom
- 奥底 【おくそこ】 depths, deep place, bottom (of one's heart)
Readings
- Korean:
- ji, jeo
Spanish
- fondo
- suelo
- parte más baja
- base
Portuguese
- único
- fundo
- profundidade
- preço baixo
- base
- espécie
- tipo
French
- partie basse
- fond
- semelle
- profondeur
- prix plancher
- base
- sorte
| 475 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 576 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 549 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 791 | A New Dictionary of Kanji Usage |
| 1508 | Classic Nelson (Andrew Nelson) |
| 590 | Essential Kanji (P.G. O’Neill) |
| 508 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 992 | Japanese Names (P.G. O’Neill) |
| 562 | Kanji and Kana (Spahn and Hadamitzky) |
| 571 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 745 | Kanji in Context (Nishiguchi and Kono) |
| 585 | Kodansha Compact Kanji Guide |
| 3827 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1961 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2656 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1850 | Les Kanjis dans la tete (Yves Maniette) |
| 9262 | Morohashi |
| 3084 | New Japanese English Character Dictionary (Jack Halpern) |
| 1612 | New Nelson (John Haig) |
| 1833 | Remembering The Kanji (James Heisig) |
| 1975 | Remembering The Kanji, 6th edition (James Heisig) |
| 510 | Tuttle Kanji Cards (Alexander Kask) |
| 556 | 2001 Kanji |
| 3q5.3 | The Kanji Dictionary |
| 3-3-5 | SKIP code |
| 0024.2 | Four corner code |
| 1-36-76 | JIS X 0208-1997 kuten code |
| 5e95 | Unicode hex code |
Jōyō kanji, taught in grade 6
JLPT level N3
930 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 探検 【タンケン】 exploration, expedition
- 探求 【タンキュウ】 search, quest, pursuit
- 内探 【ナイタン】 private inquiry, private enquiry, secret investigation
- 独探 【ドクタン】 German spy
Kun reading compounds
- 探る 【さぐる】 to feel around for, to fumble for, to grope for, to search for, to look for, to investigate, to probe into, to spy on, to sound out, to explore (parts unknown), to enjoy (natural beauty)
- 探す 【さがす】 to search for, to look for, to hunt for, to seek, to search (a house, pocket, etc.), to search through, to rummage in (e.g. a drawer), to fish around
Readings
- Korean:
- tam
Spanish
- explorar
- indagar
- buscar
- sondear
Portuguese
- tatear
- pesquisar
- procurar
French
- chercher
- tâtonner
- enquête
| 942 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 930 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1239 | A New Dictionary of Kanji Usage |
| 1949 | Classic Nelson (Andrew Nelson) |
| 1236 | Essential Kanji (P.G. O’Neill) |
| 578 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1316 | Japanese Names (P.G. O’Neill) |
| 535 | Kanji and Kana (Spahn and Hadamitzky) |
| 544 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1258 | Kanji in Context (Nishiguchi and Kono) |
| 908 | Kodansha Compact Kanji Guide |
| 613 | Kodansha Kanji Dictionary (Jack Halpern) |
| 374 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 466 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1340 | Les Kanjis dans la tete (Yves Maniette) |
| 12276 | Morohashi |
| 505 | New Japanese English Character Dictionary (Jack Halpern) |
| 2211 | New Nelson (John Haig) |
| 1327 | Remembering The Kanji (James Heisig) |
| 1425 | Remembering The Kanji, 6th edition (James Heisig) |
| 927 | Tuttle Kanji Cards (Alexander Kask) |
| 1364 | 2001 Kanji |
| 3c8.16 | The Kanji Dictionary |
| 1-3-8 | SKIP code |
| 5709.4 | Four corner code |
| 1-35-21 | JIS X 0208-1997 kuten code |
| 63a2 | Unicode hex code |
investigate
- On:
- サ
Jōyō kanji, taught in grade 5
JLPT level N2
184 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 査証 【サショウ】 visa, endorsing (e.g. a passport), stamping
- 査察 【ササツ】 inspection (for compliance), investigation (tax, etc.)
- 主査 【シュサ】 chief examiner or investigator
- 実態調査 【ジッタイチョウサ】 fact-finding investigation, investigation into actual conditions, fact-finding survey
Readings
- Korean:
- sa
Spanish
- investigar
- examinar
- inspeccionar
Portuguese
- investigar
French
- investigation
| 611 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 705 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 678 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 284 | A New Dictionary of Kanji Usage |
| 2235 | Classic Nelson (Andrew Nelson) |
| 510 | Essential Kanji (P.G. O’Neill) |
| 630 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 624 | Kanji and Kana (Spahn and Hadamitzky) |
| 634 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 825 | Kanji in Context (Nishiguchi and Kono) |
| 1056 | Kodansha Compact Kanji Guide |
| 3092 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1580 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2159 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1798 | Les Kanjis dans la tete (Yves Maniette) |
| 14643 | Morohashi |
| 2437 | New Japanese English Character Dictionary (Jack Halpern) |
| 2630 | New Nelson (John Haig) |
| 1781 | Remembering The Kanji (James Heisig) |
| 1920 | Remembering The Kanji, 6th edition (James Heisig) |
| 699 | Tuttle Kanji Cards (Alexander Kask) |
| 1873 | 2001 Kanji |
| 4a5.32 | The Kanji Dictionary |
| 2-4-5 | SKIP code |
| 4010.7 | Four corner code |
| 1-26-26 | JIS X 0208-1997 kuten code |
| 67fb | Unicode hex code |