metal / mettle [ˈmɛtəl]
metal – adj., n. & v. – adj. – heavy; n. – 1. a hard, often shiny, malleable material in contrast to soil/clay, plant materials; 2. anything made from these materials; v. – 1. made of a specified substance in a specific way; 2. provide or add hard, shiny material, such as gold, silver, iron, bronze, copper; 3. mend a road
mettle – adj.& n. – adj. – feisty, eager, brave, courageous, willing; n. – 1. a person’s character, temperament or disposition; 2. courage, vigour, vivacity