Denshi Jisho — Online Japanese dictionary

あけ 1: scarlet; red;
2: blood
Common word, Noun 
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 
しゅ 1: cinnabar; vermillion; red; slightly-orange red;
2: red pigment (and ink made from same);
3: red text (as used to correct documents)
Noun 
たんしゅ cinnabar; vermilion
Noun 
ついしゅ red lacquerware with patterns carved in relief
Noun 

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