Verses with the word shewedst in the Old Testament (2 verses):

Nehemiah 9:10
And shewedst signs and wonders upon Pharaoh, and on all his servants, and on all the people of his land: for thou knewest that they dealt proudly against them. So didst thou get thee a name, as it is this day.

Jeremiah 11:18
And the LORD hath given me knowledge of it, and I know it: then thou shewedst me their doings.