ἔχω 
Echo 
to have
ἐξουσία 
Exousia 
θεραπεύω 
therapeuo 
to heal
νόσος 
Nosos 
,
and
ἐκβάλλω 
Ekballo 

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain