钢 钢 gāng Strokes9 Radical 钅 — gold, metal Made of 钅 gold, metal 冈 ridge or crest of hill How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 钢
笔 笔 bǐ Strokes10 Radical ⺮ — bamboo Made of ⺮ bamboo 毛 hair, fur, feathers How it's builtIdeograph — the meaning is built from its parts Play the animation