efficience

As an adjective efficient

is efficient.

As a noun efficience is

.

As nouns the difference between effect and efficience

is that effect is the result or outcome of a cause. See usage notes below.efficience is archaic form of efficiency.

As a verb effect

is to make or bring about; to implement.

As nouns the difference between efficacy and efficience

is that efficacy is (uncountable) ability to produce a desired amount of a desired effect while efficience is .

As nouns the difference between efficience and effectiveness

is that efficience is while effectiveness is the property of being effective, of achieving results.

As nouns the difference between efficience and effective

is that efficience is while effective is (military) a soldier fit for duty.

As an adjective effective is

having the power to produce a required effect or effects.