密 密 mì Strokes11 Radical 宀 — roof Made of 宓 quiet, silent, still 山 mountain, hill, peak How it's builtIdeograph — the meaning is built from its parts Play the animation
切 切 qiē Strokes4 Radical 刀 — knife Made of 七 seven 刀 knife How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation