'O God' in the Bible

Adoni-bezek said, "Seventy kings with {their thumbs and big toes} cut off used to pick up [scraps] under my table; just as I have done, so God has repaid to me. And they brought him [to] Jerusalem, and he died there.

Then Gideon said to God, "In order to see that you will deliver Israel by my hand, just as you have said,

And Gideon said to God, "{Do not let your anger burn} against me; let me speak once more. Please let me test once more with the fleece; let the fleece be dry, and let there be dew on the ground."

So God repaid the wickedness that Abimelech committed against his father by killing his seventy brothers.

So God split the hollow place that [is] at Lehi, and water came out from it; and he drank, and his spirit returned, and he was revived. Thus he called its name {The Spring of Ha-Qore}, which [is] at Lehi to this day.

And Samson called to Yahweh and said, "My Lord Yahweh, remember me! Please give me strength this one time, O God, so that I can repay [with] one act of revenge to [the] Philistines for my eyes."