You searched for: “jetsam
flotsam, jetsam
flotsam (FLAHT suhm) (noun)
Floating pieces, parts, etc., from a ship that has been wrecked: After the storm, there was a lot of flotsam from wrecked vessels that had washed ashore.
jetsam (JET suhm) (noun)
Floating objects that are thrown into the water from a ship: None of the jetsam that David found on the beach was usable.

Along the shore Jodie could see a lot of flotsam from ship wrecks; however, here and there was some jetsam from a ship which she took to the museum.

The professor reminded his students that the phrase "flotsam and jetsam" is often used to refer to the accumulation of bits and pieces of junk along the shore that come from ships.