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There are 20 words beginning with EFFIC

efficacy — n. Ability to produce a desired effect under ideal testing conditions. — n. Degree of ability to produce a desired effect; effectiveness.
efficient — adj. Making good, thorough, or careful use of resources; not consuming… — adj. Expressing the proportion of consumed energy that was successfully… — adj. Causing effects, producing results; bringing into being;…
efficious — adj. (Rare, nonstandard) Efficacious.
efficacies — n. Plural of efficacy.
efficacity — n. Efficacy.
efficience — n. Archaic form of efficiency.
efficiency — n. The extent to which time is well used for the intended task. — n. (Dated) The quality of producing an effect or effects. — n. The extent to which a resource is used for the intended purpose;…
efficients — n. Plural of efficient.
efficacious — adj. (Formal) Effective; possessing efficacy.
efficiences — n. Plural of efficience.
efficiently — adv. In an efficient manner.
efficacities — n. Plural of efficacity.
efficiencies — n. Plural of efficiency.
efficaciously — adv. In an efficacious manner.
efficientness — n. The quality of being efficient; efficiency.
efficient␣cause — n. (Philosophy, natural science) The being or event which physically…
efficaciousness — n. Quality of being efficacious.
efficient␣causes — n. Plural of efficient cause.
efficiency␣apartment — n. (US) bachelor apartment.
efficiency␣apartments — n. Plural of efficiency apartment.

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