ἑκών G1635
hekṓn · hek-own' · Adjective
of uncertain affinity; voluntary:--willingly.
2 Occurrences in the King James Bible
Romans 8:20For the creature was made subject to vanity, not willingly, but by reason of him who hath subjected the same in hope,
1 Corinthians 9:17For if I do this thing willingly, I have a reward: but if against my will, a dispensation of the gospel is committed unto me.