Denshi Jisho — Online Japanese dictionary

海洋 いよう ocean
Common word, Noun, No-adjective 
快楽 いらく pleasure
Common word, Noun, No-adjective 
回覧 いらん circulation
Common word, Noun, Suru verb, No-adjective 
戒律 いりつ (religious) precept; discipline; commandment; mitzvah
Common word, Noun 
回廊 いろう corridor; gallery; hallway; cloister (i.e. covered walk typically circling a building or garden, esp. in a palace or place of worship)
Common word, Noun 
顔色 おいろ 1: complexion; one's colour; one's color;
2: countenance; expression; one's face
Common word, Noun 
輝き がやき radiance
Common word, Noun 
輝く がやく to shine; to glitter; to sparkle
Common word, Godan verb with ku ending 
書留 きとめ 1: (Abbreviation) registered mail;
2: registration (e.g. of mail); writing down; putting on record; recording; making a note of
Common word, Noun, Suru verb, No-adjective 
書取 きとり 1: writing down from other written material; writing kanji text from hiragana;
2: transcription (of spoken material)
Common word, Noun 
下級 きゅう lower grade; low class; junior (officer)
Common word, Noun, No-adjective 
佳境 きょう climax (story); best part; most interesting part
Common word, Noun 
架橋 きょう 1: bridge building; bridge;
2: cross-linking
Common word, Noun, Suru verb 
華僑 きょう overseas Chinese merchants
Common word, Noun 
歌曲 きょく melody; tune; song
Common word, Noun 
家業 ぎょう family business; trade; occupation; line of work; one's father's occupation
Common word, Noun 
稼業 ぎょう trade; business; commerce; occupation
Common word, Noun 
画一 くいつ uniformity; standardization; standardisation
Common word, Na-adjective, Noun 
角界 the world of Sumo
Common word, Noun 
隔月 くげつ every second month; every other month
Common word, Noun, No-adjective 
拡散 くさん scattering; diffusion; spread (e.g. signal across the spectrum)
Common word, Noun, Suru verb, No-adjective 
核酸 くさん nucleic acid
Common word, Noun 
確執 くしつ discord; antagonism
Common word, Noun, Suru verb 
各種 くしゅ every kind; all sorts
Common word, Noun, No-adjective 
核心 くしん core; heart (of the matter); point; crux; kernel
Common word, Noun 
確信 くしん conviction; belief; confidence
Common word, Noun, Suru verb 

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