[こうか] /(n) (1) coin/(2) (See ) hard currency/(P)/EntL1280530X/
 こうか [13]  Hartgeld; Münze. ⇔  (しへい) HE
 [こうか] /(n) pièce/monnaie/1280530
Visszatérés a(z) „硬貨” laphoz.