Shipwreck is a term used to describe the destruction of a ship, usually caused by a natural disaster or accident. The term is composed of two words, RUIN and WRECK, which both have four and five letters respectively. RUIN is defined as the state of being destroyed or damaged beyond repair, while WRECK is defined as the remains of a ship that has been wrecked or destroyed. Together, these two words form the term shipwreck, which is used to describe the destruction of a ship.