Verses with the word wrongfully in the Old Testament (6 verses):

Job 21:27
Behold, I know your thoughts, and the devices which ye wrongfully imagine against me.

Psalms 35:19
Let not them that are mine enemies wrongfully rejoice over me: neither let them wink with the eye that hate me without a cause.

Psalms 38:19
But mine enemies are lively, and they are strong: and they that hate me wrongfully are multiplied.

Psalms 69:4
They that hate me without a cause are more than the hairs of mine head: they that would destroy me, being mine enemies wrongfully, are mighty: then I restored that which I took not away.

Psalms 119:86
All thy commandments are faithful: they persecute me wrongfully; help thou me.

Ezekiel 22:29
The people of the land have used oppression, and exercised robbery, and have vexed the poor and needy: yea, they have oppressed the stranger wrongfully.