1. A hole in the ship's hull caused it to (founder, flounder).

2. Brett is (founder, flounder) of our school's recycling club.

3. The student made (foundering, floundering) arguments throughout the debate.

4. We ate (founder, flounder) for dinner.

5. The kite (foundered, floundered) and then fell from the sky.

6. Before our raft (foundered, floundered), everyone jumped into the lifeboat.

7. Matt (foundered, floundered) around for an explanation.

8. The engine sputtered, and we worried it would (founder, flounder).

9. Ultimately, we will succeed; we will not (founder, flounder).

10. The toddler (foundered, floundered) for a moment but finally tied his own shoelaces.