'O God' in the Bible

and were helped against them, and the Hagrites and all that were with them were delivered into their hand, - for, unto God, made they outcry, in the war, and he suffered himself to be entreated by them, because they put their trust in him;

And say ye, Save us, O God of our salvation, and gather us and deliver us, from among the nations, - that we may give thanks unto thy holy name, that we may triumph aloud in thy praise.

and hast made this seem little in thine eyes, O God, in that thou hast spoken concerning the house of thy servant, for a great while to come? Thus wilt thou provide for me, according to the rank of manhood, and hast exalted me, O Yahweh God!

O Yahweh, there is none like unto thee, yea there is no God besides thee, according to all that we have heard with our ears.

And David said unto God, I have sinned greatly, in that I have done this thing, - but, now, I beseech thee, take away the iniquity of thy servant, for I have shown myself very foolish.

And David said unto God, Was it not, I, who gave word to number the people? Yea, I, it was who sinned and did the great wrong, what then had, these sheep, done? O Yahweh, my God, let thy hand, I beseech thee, be against me, and against the house of my father, but not against, thy people, that they should be plagued!