迅 迅 xùn Strokes6 Radical 辶 — to walk Made of 辶 to walk 卂 to fly rapidly How it's builtIdeograph — the meaning is built from its parts Play the animation More about the character 迅
速 速 sù Strokes10 Radical 辶 — to walk Made of 辶 to walk 束 to bind, to control, to restrain How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 速