New International Version
The king of Israel advanced and overpowered the horses and chariots and inflicted heavy losses on the Arameans.

American Standard Version
And the king of Israel went out, and smote the horses and chariots, and slew the Syrians with a great slaughter.

Berean Study Bible
Then the king of Israel marched out and attacked the horses and chariots, inflicting a great slaughter on the Arameans.

Douay-Rheims Bible
But the king of Israel going out overthrew the horses and chariots, and slew the Syrians with a great slaughter.

English Revised Version
And the king of Israel went out, and smote the horses and chariots, and slew the Syrians with a great slaughter.

King James Bible
And the king of Israel went out, and smote the horses and chariots, and slew the Syrians with a great slaughter.

World English Bible
The king of Israel went out, and struck the horses and chariots, and killed the Syrians with a great slaughter.

Young's Literal Translation
and the king of Israel goeth out, and smiteth the horses, and the charioteers, and hath smitten among the Aramaeans a great smiting.

1 Kings 20:21 Additional Translations ...