eraser → raze

eraser 橡皮檫，黑板檫
↓
erase [ɪˈreɪz] v. 擦除
↓
词根：ras/raz 刮，磨，擦
↓
raze [reɪz] v. 刮去，磨平，擦除，夷平
↓
例：The town was razed to the ground. 整个城镇被夷为平地。