NET
9 Know for sure that I will then enable the nations to give me acceptable praise. All of them will invoke the Lord’s name when they pray, and will worship him in unison.
Darby
9 For then will I turn to the peoples a pure language, that they may all call upon the name of Jehovah, to serve him with one consent.
KJV
9 For then will I turn to the people a pure language, that they may all call upon the name of the LORD, to serve him with one consent.