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

2 Chronicles 2:12
Huram said moreover, Blessed be the LORD God of Israel, that made heaven and earth, who hath given to David the king a wise son, endued with prudence and understanding, that might build an house for the LORD, and an house for his kingdom.

Proverbs 8:12
I wisdom dwell with prudence, and find out knowledge of witty inventions.