Denshi Jisho — Online Japanese dictionary

海溝 かいこう ocean trench; deep
Common word, Noun, Na-adjective 
開口 かいこう 1: opening; aperture (e.g. camera);
2: opening one's mouth; beginning to speak;
3: (Noun or verb acting prenominally) open; broad
Common word, Noun, Suru verb 
開校 かいこう opening a school
Common word, Noun, Suru verb 
開港 かいこう open port; opening a port
Common word, Noun, Suru verb 
戒告 かいこく admonition
Common word, Noun, Suru verb 
開国 かいこく opening of a country (e.g. Japan) to the world
Common word, Noun, Suru verb 
開墾 かいこん cultivating new land
Common word, Noun, Suru verb 
会合 かいごう 1: meeting; assembly;
2: (Chemistry term) association;
3: (astronomical) conjunction
Common word, Noun, Suru verb, No-adjective 
開催 かいさい holding a meeting; open an exhibition
Common word, Noun, Suru verb 
改札 かいさつ 1: examination of tickets;
2: (Abbreviation) ticket gate; ticket barrier
Common word, Noun, Suru verb 
解散 かいさん breakup; dissolution
Common word, Noun, Suru verb 
介在 かいざい mediation; interposition; intervention
Common word, Noun, Suru verb, No-adjective 
会社 かいしゃ 1: company; corporation;
2: workplace
Common word, Noun 
楷書 かいしょ square style of handwriting; printed style of handwriting; block style; standard style
Common word, Noun 
会心 かいしん congeniality; satisfaction
Common word, Noun, Suru verb 
改新 かいしん reformation
Common word, Noun, Suru verb 
介助 かいじょ 1: help; assistance; aid;
2: (Suru verb) to assist; to help; to aid
Common word, Noun 
解除 かいじょ cancellation; rescinding; release; calling off; lifting (sanctions); delisting
Common word, Noun, Suru verb 
海水 かいすい ocean water
Common word, Noun 
回数 かいすう number of times; frequency; count
Common word, Noun 
回生 かいせい resurrection; resuscitation; regeneration
Common word, Noun, Suru verb 
快晴 かいせい good weather
Common word, Noun, No-adjective 
改正 かいせい revision; amendment; alteration
Common word, Noun, Suru verb, No-adjective 
解析 かいせき 1: analysis; analytical study;
2: parsing; parse
Common word, Noun, Suru verb 
解説 かいせつ explanation; commentary; exposition; elucidation
Common word, Noun, Suru verb, No-adjective 
開設 かいせつ establishment; opening
Common word, Noun, Suru verb 

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