common

カイ/KAI/    うみ/umi/KAI/カイ/    umi/うみ/

sea;  ocean

Radical: (water).   Strokes: 9画.   Elements: 氵母毋.   Pinyin: hǎi.   Hangul:  [hae].   Nanori:  / あま / うな / うん /  /  /  / ひろ / ひろし /  / まち / まま /  /  / わたるa / ama / una / un / e / ka / ta / hiro / hiroshi / bu / machi / mama / mi / me / wataru.

Jōyō Kanji 2nd Grade.   JLPT N4.

Example compounds:
カイKAIうんかいunkai】sea of clouds
さんかいsankai】mountains and seas
かいしんkaishin】sea god; Poseidon; Neptune
うみumiがめうみがめumigame】sea turtle
血のちのうみchinōmi】sea of blood; pool of blood
うみやまumiyama】sea and mountains
Codepoints and classification codes:
6d77Unicode
19-4JIS X 0208
1-3-6SKIP
3a6.20TKD
3815.7Four Corner
347De Roo
Dictionary indices:
2553Classic Nelson
3133The New Nelson Character Dictionary by A. Nelson
384New Japanese-English Character Dictionary by J. Halpern
284Kanji Learner's Dictionary by J. Halpern
461Remembering the Kanji by J. Heisig
158A New Dictionary of Kanji Usage (Gakken)
1071Japanese Names by P.G. O'Neill
99Essential Kanji by P.G. O'Neill
17450Daikanwajiten 「大漢和辞典」 by T. Morohashi vol. 6 p. 1138
88A Guide to Remembering Japanese Characters by K.G. Henshall
117Kanji & Kana by Spahn and Hadamitzky
55Guide to Reading & Writing Japanese (H) by F. Sakade
211Kanji Flashcards by M. Hodges and T. Okazaki
94Guide to Reading & Writing Japanese: Third Edition 3rd edition by Henshall
171Tuttle Kanji Cards by A. Kask
206The Kanji Way to Japanese Language Power by D. Crowley
454Kanji in Context by Nishiguchi and Kono
3.14Japanese for Busy People by the AJLT
1184Kodansha Compact Kanji Guide
471Y. Maniette's French adaptation of Heisig