Exodus 15:5 in the World English Bible
The deeps cover them. They went down into the depths like a stone.
Context
4 Pharaoh’s chariots and his host hath he cast into the sea: his chosen captains also are drowned in the Red sea.
5 The depths have covered them: they sank into the bottom as a stone.
6 Thy right hand, O LORD, is become glorious in power: thy right hand, O LORD, hath dashed in pieces the enemy.