Home/Vocab Vault/効力効力効力こうりょくeffectN2NounFreq. #6548Meanings1effect2efficacy3validity4potencyRelated WordsSame Kanji圧力あつりょくpressure暴力ぼうりょくviolence暴力団ぼうりょくだんbōryokudan武力ぶりょくarmed might力ちからforce力強いちからづよいpowerful弾力だんりょくelasticityPractice 効力 in JIVXReinforce this word with AI-graded sentence practice and spaced repetition.Start Practicing Free