s, a, o, e, f, n, c, i, u are letters that make 'efficaciousness'
CIO, IC, AC, FICA, IOU, Ci, eff, USN, SS, efficacious, ic, ci, US, CA, NE, ness, Io, Ac, Ca, Es, Ne, Sn are words within 'efficaciousness'
1 possible definitions for 'efficaciousness'
Under this definition, efficaciousness is a noun and has the following properties:
efficacy has the same meaning as efficaciousness
inefficacy, inefficaciousness have the opposite meaning of 'efficaciousness'
'efficaciousness' can be a type of effectiveness, effectivity, effectualness, effectuality.
efficacious, inefficacious are attributes of 'efficaciousness'.
effective, effectual, efficacious are derivatives of 'efficaciousness'.