Difference between Willingly and Fain

WILLINGLY vs FAIN: ADJECTIVE

Gladly; with pleasure or content: with would.
Glad; pleased; rejoiced: used absolutely or followed by an infinitive: as, I am fain to see you.
Glad, in a relative sense; content or willing to accept an alternative to something better but unattainable: followed by an infinitive: as, he was fain to run away.
To be fain; be glad; rejoice.
To fawn. See fawn, verb
To fill with gladness; cause to rejoice.
To wish; desire; long.
To acquiesce in; accept with reluctance, as an alternative.
With pleasure
An obsolete spelling of feign (retained in the derivative faint).

Conscientiously, Willfully, Kindly, Freely, Wittingly, Submissively, Wholeheartedly, Readily, Knowingly, Happily, Graciously, Voluntarily, Gladly, Volitionally, Fain

Verily, Insensibly, Nilly, Foully, Adown, Whoso, Unrestrainedly, Peradventure, Forsooth, Volitionally, Disposed, Prepared, Willing, Willingly, Inclined

Warmly, Spontaneously, Voluntary, Conscientiously, Willfully, Kindly, Freely, Wittingly, Submissively, Readily, Knowingly, Graciously, Voluntarily, Gladly, Fain

Interiorly, Uprightly, Verily, Insensibly, Nilly, Adown, Whoso, Unrestrainedly, Peradventure, Forsooth, Disposed, Prepared, Willing, Willingly, Inclined

Not every animal goes to its death willingly.
Not many hear the Word of God willingly.
Still I would not willingly desert the females.
Fair market value is a value that a seller will willingly accept and a buyer will willingly pay.
As the seven churches are the friends of God, they willingly invited Jesus into their home, just as Reuel willingly called Moses into his.
He was a son who willingly submitted himself to his father much as Jesus also later willingly submitted Himself to God on the cross.
Play read and of thee i offer willingly given willingly and enforce our blog cannot this day giving to the day.
Appellant willingly chose to incorporate and willingly chose to create the separate entity named Milestone.
It typically takes a long while for the mind to shift gears from being willingly vulnerable to willingly defensive.
Enabled or sites in thee my i offer willingly offered willingly offered willingly to god, the next generation for us always in god!