Strong's Concordance G1635

Original Word: ἑκών
Transliteration: hekṓn
Phonetic Spelling: hek-own'
[ἑκών] of uncertain affinity; voluntary

Usages throughout the bible

Romans 8:20 - For the creature was made subject to vanity, not willingly, G1635 but by reason of him who hath subjected the same in hope,

1 Corinthians 9:17 - For if I do this thing willingly, G1635 I have a reward: but if against my will, a dispensation of the gospel is committed unto me.