Denshi Jisho — Online Japanese dictionary

レイ 1: lei;
2: ray;
3: lay
Common word, Noun 
令 れい command; order; dictation
Common word, Noun, Noun suffix 
例 れい 1: custom; practice; habit; usual;
2: said; aforementioned;
3: instance; example; case; illustration; usage;
4: precedent;
5: annual
Common word, Noun, Prefix, No-adjective 
礼 れい thanking; expression of gratitude
Common word, Noun 
零 れい zero; nought
Common word, Noun, No-adjective 
霊 れい soul; spirit; departed soul; ghost
Common word, Noun 
霊 たま soul; spirit
Noun 
冷 れい 1:
2: (Obscure term) cold; cool; (Noun) (Abbreviation) (Obscure term) cold sake
Na-adjective, Noun 
鈴 れい bell (often globular)
Out-dated or obsolete kana, Noun 
齢 れい instar
Noun 
レイプ rape
Common word, Noun, Suru verb 
レイン 1: lane;
2: rain;
3: (Abbreviation) reinforcement
Common word, Noun 
レイズ raise
Noun 
レイブ rave
Noun 
レイヤ layer
Noun 
冷夏 れいか a cool summer
Common word, Noun 
零下 れいか below zero; sub-zero
Common word, Noun, No-adjective 
礼儀 れいぎ manners; courtesy; etiquette
Common word, Noun 
零時 れいじ 12 o'clock (midnight)
Common word, Noun 
霊屋 たまや mausoleum; (temporary) resting place of a corpse
Noun 
霊位 れいい memorial tablet
Noun 
霊異 れいい miracle; wonder; wondrous thing
Noun 
冷雨 れいう chilly rain
Noun 
冷菓 れいか chilled sweets; ices; ice cream
Noun 
隷下 れいか subordinates; followers
Noun 
例規 れいき established rule; statute
Noun 
冷気 れいき cold; chill; cold weather; cold wave; cold air
Noun 

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