The word "浪涛" is formed by combining two characters, each constructed with the water radical (氵) to semantically associate them with water. The character "浪" incorporates "良" primarily as a phonetic component, and "涛" incorporates "寿" primarily as a phonetic component. Both characters individually convey meanings related to waves, and their combination creates a compound word that denotes "billows" or "surging waves", reinforcing the concept through synonymous elements.