Denshi Jisho — Online Japanese dictionary

成約 せいやく conclusion of a contract
Common word, Noun, Suru verb 
製薬 せいやく medicine manufacture; drug manufacture
Common word, Noun, No-adjective 
誓約 せいやく written vow; pledge; covenant
Common word, Noun, Suru verb 
西洋 せいよう the west; Western countries
Common word, Noun, No-adjective 
静養 せいよう (convalescent) rest
Common word, Noun, Suru verb 
性欲 せいよく sexual desire
Common word, Noun, No-adjective 
成立 せいりつ 1: coming into existence; arrangements; establishment; conclusion; completion;
2: (Suru verb) to come into existence; to be true; to hold (i.e. hold true)
Common word, Noun 
政令 せいれい government ordinance; cabinet order
Common word, Noun 
西暦 せいれき Christian Era; CE; anno domini; AD
Common word, Noun 
整列 せいれつ standing in a row; forming a line; alignment
Common word, Noun, Suru verb 
清廉 せいれん honesty; integrity; purity and unselfishness
Common word, Na-adjective, Noun 
正論 せいろん sound (just) argument
Common word, Noun 
星空 ほしぞら starry sky
Common word, Noun 
性愛 せいあい sexual love; eros
Noun 
性悪 せいあく ill-natured; inconstancy
Na-adjective, Noun 
正悪 せいあく right and wrong
Noun 
声域 せいいき range of voice
Noun 
整域 せいいき integral domain; ring with no divisors of zero
Noun, Mathematical term 
西域 せいいき western regions of China
Noun 
成育 せいいく growth; raising
Noun, Suru verb 
斉一 せいいつ equality; good order
Noun 
精一 せいいつ purity
Na-adjective, Noun 
成員 せいいん member; regular member; active member
Noun 
成因 せいいん origin; cause
Noun 
正員 せいいん member; regular member; active member
Noun 
精飲 せいいん semen-drinking
Noun, Suru verb 

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