Joshua 7:5
And the men of Ai smote of them about thirty and six men: for they chased them from before the gate even to Shebarim, and smote them in the going down: why the hearts of the people melted, and became as water.
Torrey's Topical Textbook—AKJV

Ezekiel 7:17
All hands shall be feeble, and all knees shall be weak as water.
Torrey's Topical Textbook—AKJV