'O God' in the Bible

Adoni-Bezek said, "Seventy kings, having their thumbs and their great toes cut off, scavenged under my table: as I have done, so God has requited me." They brought him to Jerusalem, and he died there.

So God subdued on that day Jabin the king of Canaan before the children of Israel.

Gideon said to God, "If you will save Israel by my hand, as you have spoken,

Gideon said to God, "Do not let your anger be kindled against me, and I will speak but this once. Please let me make one more test with the fleece; let it now be dry only on the fleece, and on all the ground let there be dew."

For behold, you shall conceive, and bear a son; and no razor shall come on his head; for the child shall be a Nazirite to God from the womb. And he shall begin to save Israel out of the hand of the Philistines."

but he said to me, 'Behold, you shall conceive, and bear a son. And now drink no wine nor strong drink, and do not eat any unclean thing; for the child shall be a Nazirite to God from the womb until the day of his death.'"

He told her all his heart, and said to her, "No razor has ever come on my head; for I have been a Nazirite to God from my mother's womb. If I am shaved, then my strength will go from me, and I will become weak, and be like any other man."