Denshi Jisho — Online Japanese dictionary

副腎 くじん suprarenal body; adrenal glands
Noun, No-adjective 
伏水 くすい water gone underground (to emerge as a spring)
Noun, Suru verb 
腹水 くすい ascites; abdominal dropsy
Noun, No-adjective 
復数 くすう several; plural; plurality; multiple
Irregular kanji usage, Noun, No-adjective 
副生 くせい byproduct; secondary product
Noun 
複星 くせい multiple star
Noun 
復籍 くせき legal reregistration in one's family; reenrollment (in school); reenrolment
Noun, Suru verb 
複占 くせん duopoly
Noun 
複線 くせん double track; two-track line
Noun 
伏勢 くぜい ambush
Noun 
伏奏 くそう report to the throne
Noun 
副層 くそう sublayer
Noun, Computer terminology 
福相 くそう happy-looking
Na-adjective, Noun 
複相 くそう diploid phase
Noun, No-adjective 
輻湊 くそう 1: congestion (e.g. traffic); overcrowding;
2: convergence (esp. optical)
Noun, Suru verb, No-adjective 
輻輳 くそう 1: congestion (e.g. traffic); overcrowding;
2: convergence (esp. optical)
Noun, Suru verb, No-adjective 
腹側 くそく ventral
No-adjective 
腹蔵 くぞう reserving one's thoughts
Noun 
服属 くぞく a follower; yield allegiance to
Noun, Suru verb 
腹帯 くたい bellyband; maternity belt
Noun 
福茶 くちゃ lucky tea (var. of tea made from sea tangle, black soybeans, pepper, pickled plums, etc. and drunk on festive occasions); New Year tea
Noun 
復電 くでん restoration of power (e.g. after power failure)
Noun 
複電 くでん restoration of power (e.g. after power failure)
Irregular kanji usage, Noun 
復答 くとう response; reply
Noun, Suru verb 
鞴韜 くとう 1: (Buddhist term) (pair of) bellows;
2: lungs (of the body)
Noun 
福徳 くとく fortune; happiness and prosperity
Noun 

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