Efficacy (noun)
ef-ik-a-see
The ability to produce a desired or intended result.
Early 16th century from Latin efficacia, from efficax, efficac-
Example sentences
“We don’t know much about the efficacy of this method.”
Hajji (noun) hadj-ee A muslim who has gone on pilgrimage to Mecca. First recorded in 1600–10; from Arabic ḥajjī, equivalent to ḥajj “pilgrimage” + -ī a suffix indicating relationship or…
