[da](aux) (1) (See です) plain copula; (aux-v) (2) (た after certain verb forms) (See た・1) indicates past or completed action; (3) (See た・2) indicates light imperative; (P)#79[Add to Longdo]
[あか, aka](n) (1) red; crimson; scarlet; (2) red-containing colour (e.g. brown, pink, orange); (3) (col) (often written as アカ) Red (i.e. communist); (4) (abbr) (See 赤信号) red light; (5) (abbr) (See 赤字・1, 赤字・2) red ink (i.e. in finance or proof-reading); (in) the red; (adj-no, n-pref) (6) (See 赤の他人) complete; total; perfect; obvious#1272[Add to Longdo]