痛 痛 tòng Strokes12 Radical 疒 — sickness, disease Made of 疒 sickness, disease 甬 path How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation
快 快 kuài Strokes7 Radical 忄 — heart Made of 忄 heart 夬 decisive, certain How it's builtIdeograph — the meaning is built from its parts Play the animation