[りょく, ryoku] (n) (1) force; strength; might; vigour (vigor); energy; (2) capability; ability; proficiency; capacity; faculty; (3) efficacy; effect; (4) effort; endeavours (endeavors); exertions; (5) power; authority; influence; good offices; agency; (6) (See 力になる) support; help; aid; assistance; (7) stress; emphasis; (8) means; resources; (P) #489
[こうか, kouka] (n, adj-no) effect; effectiveness; efficacy; result; (P) #1375
[こうりつ, kouritsu] (n) efficiency; efficacy; performance; utility factor; (P) #4987
[きき, kiki] (n) work; efficacy; effective #5711
[こうりょく, kouryoku] (n) effect; efficacy; validity; potency; (P) #10859
[じっこう, jikkou] (n) practical effect; efficacy; efficiency; (P) #12617
[こう, kou] (n) efficacy; benefit; efficiency; effect; result; success #19293
[げん;けん, gen ; ken] (n) (1) effect; efficacy; (2) omen
[ごりやく, goriyaku] (n) (1) (See 利益) grace (of God); divine favour; blessing; miracle; (2) benefit; (3) efficacy
[ききめ, kikime] (n) effect; virtue; efficacy; impression; (P)
[こうけん, kouken] (n) efficacy; effect
[こうのう(P);くのう(功能)(ok), kounou (P); kunou ( kou nou )(ok)] (n) effect; efficacy; virtue; benefit; (P)
[こうのうがき, kounougaki] (n) statement of the efficacy of a medicine
[じここうりょくかん, jikokouryokukan] (n) self-efficacy
[そうこう, soukou] (n, vs) efficacy
[そうごうこうりつ, sougoukouritsu] (n) overall efficiency; combined efficiency; lamp and auxiliary efficacy (industry specific)
[とっこう, tokkou] (n) special efficacy
[とっこう, tokkou] (n) of particular efficacy
[くすりのちから, kusurinochikara] (n) efficacy of a drug
[やっこう, yakkou] (n) efficacy of a drug or medicine
[れいげん;れいけん, reigen ; reiken] (n) miraculous efficacy; miracle; miraculous virtue