Denshi Jisho — Online Japanese dictionary

車葉草 るまばそう sweet woodruff (Asperula odorata)
Noun, Usually written using kana alone 
車回し るままわし turnaround (e.g. at the end of a driveway)
Noun 
車宿り るまやどり 1: building where one keeps oxcarts and other conveyances inside a private estate;
2: resting area for one's oxcart, wagon, etc.
Noun 
郭言葉 るわことば language used in red-light districts during the Edo period; vulgar words used by prostitutes from the Edo period
Noun, Archaism 
黒い眸 ろいひとみ (beautiful) dark eyes
Noun 
苦労性 ろうしょう nervous temperament; worry habit; pessimistic nature
Na-adjective, Noun 
黒歌鳥 ろうたどり blackbird (Turdus merula)
Noun, Usually written using kana alone 
玄人筋 ろうとすじ professionals
Noun 
黒大蟻 ろおおあり Japanese carpenter ant (Camponotus japonicus)
Noun, Usually written using kana alone 
黒胡椒 ろこしょう black pepper (Piper nigrum)
Noun, Usually written using kana alone 
黒茶色 ろちゃいろ deep brown
Noun 
黒人参 ろにんじん wild carrot (Daucus carota); Queen Anne's lace
Noun, Usually written using kana alone 
黒人参 ロニンジン wild carrot (Daucus carota); Queen Anne's lace
Noun, Usually written using kana alone 
黒穂病 ろほびょう smut
Noun 
黒魔術 ろまじゅつ black magic
Noun 
黒水引 ろみずひき black and white string
Noun 
黒山蟻 ろやまあり Japanese wood ant (Formica japonica)
Noun, Usually written using kana alone 
鍬形虫 わがたむし stag beetle
Noun, Usually written using kana alone 
桑木虱 わきじらみ mulberry psyllid (Anomoneura mori)
Noun, Usually written using kana alone 
勲一等 んいっとう order of the 1st class
Noun 
勲1等 んいっとう order of the 1st class
Noun 
工々四 んしい type of Ryuukyuu stringed instrument music
Noun 
工工四 んしい type of Ryuukyuu stringed instrument music
Noun 
君主国 んしゅこ monarchy
Noun 
君主制 んしゅせい monarchy
Noun 
君主政 んしゅせい monarchy
Noun 

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