Definition of efficacy
n. - Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer. 2
The word "efficacy" uses 8 letters: A C C E F F I Y.
No direct anagrams for efficacy found in this word list.
Adding one letter to efficacy does not form any other word in this word list.Words within efficacy not shown as it has more than seven letters.
All words formed from efficacy by changing one letter
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