As a noun effectivity is
(uncountable) the ability or power to be effective.
efficsy
Not English
Efficsy has no English definition. It may be misspelled.
English words similar to 'efficsy':
effigy
effectivity
English
Noun
(uncountable) The ability or power to be effective.
(countable) A measure of the effectiveness of something.
Related terms
* effect
* effective
* effectiveness
* effector
* effectual
* effectuate
* efficacious
* efficacity
* efficacy
* efficiency
* efficient
See also
* effectively