effectiveseffectivityeffectlesseffectoreffectseffectualeffectualityeffectuallyeffectuateeffectuationeffeminacyeffeminateeffeminatelyeffeminationeffeminiseeffeminizeeffendiefferenteffervesceeffervescenceeffervescencyeffervescenteffervescentlyeffeteeffete civilizationeffetelyeffetenesseffiefficaciousefficaciouslyefficacityefficacyefficiencyefficiency measureefficientefficientlyeffigyeffingeffleurageeffloresceefflorescenceefflorescencyefflorescenteffluenceeffluenteffluvialeffluviumeffluxeffoliationeffort