Denshi Jisho — Online Japanese dictionary

垢 あか dirt; filth; grime
Common word, Noun 
朱 あか 1: red; crimson; scarlet;
2: red-containing colour (e.g. brown, pink, orange);
3:
4: (Colloquialism) Red (i.e. communist);
5: (Abbreviation) red light;
6: (Abbreviation) red ink (i.e. in finance or proof-reading); (in) the red; () complete; total; perfect; obvious
Noun 
淦 あか bilge-water
Noun 
紅 あか 1: red; crimson; scarlet;
2: red-containing colour (e.g. brown, pink, orange);
3:
4: (Colloquialism) Red (i.e. communist);
5: (Abbreviation) red light;
6: (Abbreviation) red ink (i.e. in finance or proof-reading); (in) the red; () complete; total; perfect; obvious
Noun 
赤 あか 1: red; crimson; scarlet;
2: red-containing colour (e.g. brown, pink, orange);
3:
4: (Colloquialism) Red (i.e. communist);
5: (Abbreviation) red light;
6: (Abbreviation) red ink (i.e. in finance or proof-reading); (in) the red; () complete; total; perfect; obvious
Noun 
亜科 あか subfamily
Noun 
閼伽 あか water offering to Buddha (san: argha, arghya); holy water
Noun, Buddhist term 
アカザ white gooseweed (Chenopodium album); fat hen; lamb's-quarters; pigweed
Noun, Usually written using kana alone 
アカネ 1: (Usually written using kana alone) madder (esp. Japanese madder, Rubia argyi);
2: madder (red color)
Noun 
証 あかし 1: proof; evidence; testimony;
2: (Suru verb) to testify (usu. Christian religious context)
Common word, Noun 
藜 あかざ white gooseweed (Chenopodium album); fat hen; lamb's-quarters; pigweed
Noun, Usually written using kana alone 
灯 あかし light (esp. as a religious offering); lamp
Noun 
茜 あかね 1: (Usually written using kana alone) madder (esp. Japanese madder, Rubia argyi);
2: madder (red color)
Noun 
灯 あかり lamp; light
Noun 
紅い あかい 1: red;
2: Red (i.e. communist)
Common word, Adjective 
赤い あかい 1: red;
2: Red (i.e. communist)
Common word, Adjective 
赤字 あかじ 1: deficit; (being in or going into) the red;
2: red text; red letters;
3: corrections (by a teacher or proofreader) written in red
Common word, Noun, No-adjective 
灯り あかり lamp; light
Common word, Noun 
赤痢 せきり dysentery
Common word, Noun, No-adjective 
丹い あかい 1: red;
2: Red (i.e. communist)
Out-dated kanji, Adjective 
亜界 あかい (biological) subkingdom
Noun 
朱い あかい 1: red;
2: Red (i.e. communist)
Out-dated kanji, Adjective 
緋い あかい 1: red;
2: Red (i.e. communist)
Out-dated kanji, Adjective 
赭い あかい 1: red;
2: Red (i.e. communist)
Out-dated kanji, Adjective 
赤絵 あかえ 1: late 19C woodblock prints, using imported aniline dyes;
2: red painting on ceramics
Noun 
赤木 あかぎ 1: (Usually written using kana alone) bishop wood (Bischofia javanica);
2: barked tree;
3: red tree
Noun 

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