The term SEA GOD refers to a variety of gods from different mythologies associated with the sea. POSEIDON, with 8 letters, is the Greek god of the sea, earthquakes, and horses. NEPTUNE, with 7 letters, is the Roman god of the sea, and is often equated with POSEIDON. TRITON, with 6 letters, is a Greek god, son of POSEIDON, known for his conch shell trumpet. Aegir, with 5 letters, is a Norse god of the sea, and is often associated with storms and shipwrecks. Finally, Ler, with 3 letters, is a Norse god of the sea, and is sometimes referred to as the 'Old Man of the Sea'.