"効力" means "effect", "efficacy", "validity", "effectiveness"

Kanji in this word

Related words "効"

• 効き目 (kikime)effect, efficacy
• 効く (kiku)be effective
• 効力 (koryoku)effect, efficacy, validity
• 効果 (koka)effect
• 効率 (koritsu)efficiency
• 効用 (koyo)effect, use, usefulness

Related words "力"

• 主力 (shuryoku)main force
• 人力車 (jinrikisha)rickshaw
• 体力 (tairyoku)physical strength
• 全力 (zenryoku)full capacity
• 兵力 (heiryoku)military force
• 出力 (shutsuryoku)output