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

Job 16:21
O that one might plead for a man with God, as a man pleadeth for his neighbour!

Isaiah 51:22
Thus saith thy Lord the LORD, and thy God that pleadeth the cause of his people, Behold, I have taken out of thine hand the cup of trembling, even the dregs of the cup of my fury; thou shalt no more drink it again:

Isaiah 59:4
None calleth for justice, nor any pleadeth for truth: they trust in vanity, and speak lies; they conceive mischief, and bring forth iniquity.