The term 'Sound of the Surf' can be represented by two crossword solutions: ROAR (4 letters) and ROTE (4 letters). ROAR is a sound made by a large animal, such as a lion or bear, and is also used to describe a loud, deep, and powerful sound. ROTE is a method of learning by repeating something over and over again until it is memorized. It is often used to learn facts, formulas, or other information. Together, these two words represent the sound of the surf, which is a loud, repetitive sound created by waves crashing against the shore.