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Efficacy is a 8 letter word which starts with the letter E and ends with the letter Y for which we found 1 definitions.

(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.

Syllable Information

The word efficacy is a 8 letter word that has 4 syllable 's . The syllable division for efficacy is: ef-fi-ca-cy

Words by number of letters: