Verses with the word oppressions in the Old Testament (3 verses):

Job 35:9
By reason of the multitude of oppressions they make the oppressed to cry: they cry out by reason of the arm of the mighty.

Ecclesiastes 4:1
So I returned, and considered all the oppressions that are done under the sun: and behold the tears of such as were oppressed, and they had no comforter; and on the side of their oppressors there was power; but they had no comforter.

Isaiah 33:15
He that walketh righteously, and speaketh uprightly; he that despiseth the gain of oppressions, that shaketh his hands from holding of bribes, that stoppeth his ears from hearing of blood, and shutteth his eyes from seeing evil;