Denshi Jisho — Online Japanese dictionary

精練 せいれん 1: scouring; degumming;
2: training;
3: refining; smelting
Noun, Suru verb 
精錬 せいれん 1: refining; smelting; tempering;
2: scouring; degumming
Noun, Suru verb 
製錬 せいれん smelting
Noun, Suru verb 
井篭 せいろう basket used for steaming food; wooden frame holder with reed base used to steam food over a pot
Irregular kanji usage, Noun, Usually written using kana alone 
井籠 せいろう basket used for steaming food; wooden frame holder with reed base used to steam food over a pot
Irregular kanji usage, Noun, Usually written using kana alone 
政労 せいろう government-labour (e.g. liaison meeting); government-labor
Noun, Abbreviation 
晴朗 せいろう clear; fair; fine; serene
Na-adjective, Noun 
蒸篭 せいろう basket used for steaming food; wooden frame holder with reed base used to steam food over a pot
Noun, Usually written using kana alone 
蒸籠 せいろう basket used for steaming food; wooden frame holder with reed base used to steam food over a pot
Noun, Usually written using kana alone 
青楼 せいろう officially sanctioned brothel (Edo-period)
Noun 
政論 せいろん political argument
Noun 
正身 そうじみ (Archaism) the real person; said person
Noun 
正宗 まさむね sword blade by Masamune
Noun 
正夢 まさゆめ dream that comes true
Noun 
政治家 せいじか politician; statesman
Common word, Noun 
制する せいする 1: to hold back (e.g. emotions); to rein in (e.g. a horse, unruly people); to bridle;
2: to get the better of;
3: to control; to command
Common word, Suru verb - special class, Transitive verb 
正しい ただしい right; just; correct; righteous; honest; truthful; proper; straightforward; perfect
Common word, Adjective 
正規化 せいきか normalization (e.g. in floating-point representation system); normalisation; standardization; standardisation
Noun, Suru verb 
静止画 せいしが still image
Noun 
政治屋 せいじや politician (esp. one who works only for their own personal gain)
Noun, Derogatory 
製する せいする to make (something)
Suru verb - special class 
製図家 せいずか cartographer
Noun 
精出す せいだす to exert oneself
Godan verb with su ending, Intransitive verb 
制度化 せいどか institutionalization
Noun, Suru verb 
聖なる せいなる holy; sacred
Pre-noun adjectival 
静ひつ せいひつ peacefulness; tranquillity; tranquility
Na-adjective, Noun 

Found 2063 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80

You can also

Look up kanji details for 正 せい.

Try a Yahoo Jisho search for 正 せい .
Try a Goo Jisho search for 正 せい .
Try a Google search for 正 せい .