efficacy

As nouns the difference between efficacy and reliability

is that efficacy is ability to produce a desired amount of a desired effect while reliability is the quality of being reliable, dependable, or trustworthy.

As nouns the difference between determination and efficacy

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

Efficienct is likely misspelled.

Efficienct has no English definition.

As a noun efficacy

is ability to produce a desired amount of a desired effect.

As nouns the difference between efficacy and esteem

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

As a verb esteem is

to set a high value on; to regard with respect or reverence.

As nouns the difference between taxonomy and efficacy

is that taxonomy is the science or the technique used to make a classification while efficacy is (uncountable) ability to produce a desired amount of a desired effect.

As nouns the difference between efficacy and responsibility

is that efficacy is (uncountable) ability to produce a desired amount of a desired effect while responsibility is the state of being responsible, accountable, or answerable.

As nouns the difference between efficacy and coefficacy

is that efficacy is (uncountable) ability to produce a desired amount of a desired effect while coefficacy is joint efficacy; an instance of things working together.

As nouns the difference between efficacy and inefficaciousness

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

As nouns the difference between efficacy and potentness

is that efficacy is (uncountable) ability to produce a desired amount of a desired effect while potentness is the quality or state of being potent; powerfulness; potency; efficacy.