こうか 効果 Common word JLPT N3 Wanikani level 25 Play audio Show 1 collocation 効果が上がる - to bear fruit LinksSentence search for 効果Sentence search for こうかKanji details for 効 and 果Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. effect; effectiveness; efficacy; resultNoun2. effects (e.g. sound effects, visual effects, special effects)See also 音響効果 おんきょうこうか Discussions Log in to talk about this word.