GOD'S WORD® Translation
I can assure you that they are deeply devoted to God, but they are misguided.

American Standard Version
For I bear them witness that they have a zeal for God, but not according to knowledge.

Berean Study Bible
For I testify about them that they are zealous for God, but not on the basis of knowledge.

Douay-Rheims Bible
For I bear them witness, that they have a zeal of God, but not according to knowledge.

English Revised Version
For I bear them witness that they have a zeal for God, but not according to knowledge.

King James Bible
For I bear them record that they have a zeal of God, but not according to knowledge.

World English Bible
For I testify about them that they have a zeal for God, but not according to knowledge.

Young's Literal Translation
for I bear them testimony that they have a zeal of God, but not according to knowledge,

Romans 10:2 Additional Translations ...