G1635–ἑκών–hekōn

for the creature has been made subject to vanity, not of its will, but by reason of him who has subjected [supplied: the same], in hope

ἑκοῦσα hekousa “willingly”

For if I do this voluntarily, I have a reward; but if not of my own will, I am entrusted with an administration.

ἑκὼν hekōn “willingly”