羽 羽 yǔ Strokes6 Radical 羽 — feather, plume How it's builtPictograph — a drawing of the thing Play the animation More about the character 羽
毛 毛 máo Strokes4 Radical 毛 — hair, fur, feathers Made of 乇 to depend on, to entrust with 一 one Play the animation
球 球 qiú Strokes11 Radical 王 — king, ruler Made of 王 king, ruler 求 to seek How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation