Effẻtto, effect or working.
Effẻttuále, effectuall, effectiue.
Effẻttuáre, to effect, to bring to passe.
Effẻttuóso, effectuall, effectiue.
Efficáce, forcible, effectuall.
Efficácia, efficacy, force.
Efficacissimaménte, most effectually.
Efficcacità, efficacy, force.
Efficiẻnte, efficient, bringing to passe.
Efficiẻnteménte, efficiently, forcibly.