The term 'Remains of a Wreck' can be broken down into two crossword solutions: DEBRIS (6 letters) and FLOTSAM (7 letters). DEBRIS is defined as the scattered remains of something destroyed, such as a shipwreck. FLOTSAM is defined as the wreckage of a ship or its cargo that is found floating on the surface of the water. Both terms refer to the remains of a shipwreck, which can include items such as wood, metal, and other materials that have been scattered by the force of the waves.