Denshi Jisho — Online Japanese dictionary

公庫 こうこ finance corporation
Common word, Noun, No-adjective 
交互 こうご mutual; reciprocal; alternate
Common word, Noun, No-adjective 
口語 こうご 1: spoken language;
2: literary style based on (modern) spoken language
Common word, Noun, No-adjective 
交差 こうさ 1: crossing; intersection;
2: (genetic) crossing over
Common word, Noun, Suru verb, No-adjective 
口座 こうざ account (e.g. bank)
Common word, Noun 
講座 こうざ 1: academic teaching unit; lectureship; professorial chair;
2: course (e.g. of lectures)
Common word, Noun 
公使 こうし minister (of legation)
Common word, Noun 
公司 こうし company; firm (in China)
Common word, Noun 
公子 こうし young nobleman
Common word, Noun 
公私 こうし public and private; official and personal; government and people
Common word, Noun, No-adjective 
子牛 こうし calf
Common word, Noun, No-adjective 
小牛 こうし calf
Common word, Noun, No-adjective 
格子 こうし (crystal) lattice; grid pattern
Common word, Noun 
行使 こうし use; exercise
Common word, Noun, Suru verb 
講師 こうし lecturer
Common word, Noun 
公示 こうじ edict; public announcement
Common word, Noun, Suru verb 
工事 こうじ construction work; construction; work (related to construction, e.g. painting, concrete-pouring, etc.)
Common word, Noun, Suru verb 
構図 こうず composition
Common word, Noun 
公訴 こうそ accusation; prosecution
Common word, Noun, Suru verb 
控訴 こうそ koso appeal (initial appeal to a higher court)
Common word, Noun, Suru verb, No-adjective 
酵素 こうそ enzyme
Common word, Noun, No-adjective 
拘置 こうち detention; confinement; arrest
Common word, Noun, Suru verb 
耕地 こうち arable land
Common word, Noun 
高地 こうち high ground; plateau; heights
Common word, Noun, No-adjective 
硬度 こうど hardness; solidity
Common word, Noun 
高度 こうど 1: altitude; height;
2: advanced; high-grade; strong
Common word, Na-adjective, Noun 

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