Weight units are a way of measuring the mass of an object. Taels (5 letters), TONS (4 letters), DRAMS (5 letters), GRAMS (5 letters), carats (6 letters) and ounces (6 letters) are all common weight units used to measure the mass of an object. Taels are a traditional Chinese unit of weight, while TONS are a metric unit of weight equal to 1, 000 kilograms. DRAMS are a unit of weight equal to 1/16 of an ounce, while GRAMS are a metric unit of weight equal to 1/1, 000 of a kilogram. Carats are a unit of weight used to measure the mass of gemstones, and ounces are a unit of weight equal to 1/16 of a pound.