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

Numbers 14:20
And the LORD said, I have pardoned according to thy word:

Isaiah 40:2
Speak ye comfortably to Jerusalem, and cry unto her, that her warfare is accomplished, that her iniquity is pardoned: for she hath received of the LORD's hand double for all her sins.

Lamentations 3:42
We have transgressed and have rebelled: thou hast not pardoned.