効 — merit, efficacy, efficiency, benefit

Readings

On'yomi

コウ

Kun'yomi

き.くききめなら.う

Example words

• 効果こうかeffect; effectiveness; efficacy; result
• 有効ゆうこうvalidity; legality; availability; effectiveness
• 効率こうりつefficiency; efficacy; performance; utility factor
• 無効むこうinvalid; no effect; unavailable; illegal
• 効力こうりょくeffect; efficacy; validity; potency
• 効くきく(1) to be effective; to show effect (2) to do its work; to carry out its function well (3) to be possible to use