What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.
effectivenees
Effectivenees vs Efficacy - What's the difference?
effectivenees
|
efficacy
|
Effectivenees
is likely misspelled.
Effectivenees
has no English definition.
As a noun
efficacy
is
ability to produce a desired amount of a desired effect.