- They would have foundered in the Dead Marshes but for Gollum.4.6 -- Book 4 Chapter 6 -- The Forbidden Pool (40% in)
- At last the wizard passed into a song of which the hobbit caught the words: a few lines came clear to his ears through the rushing of the wind: _Tall ships and tall kings Three times three, What brought they from the foundered land Over the flowing sea?3.11 -- Book 3 Chapter 11 -- The Palantir (72% in)
- And yet how could any vessel ride the foam of the great falls and not founder in the boiling pools, though laden with water?4.5 -- Book 4 Chapter 5 -- The Window on the West (22% in)
There are no more uses of "founder" in The Two Towers.
Typical Usage (best examples)