Choose the word which is different from the rest.

Pound
Yen
Ounce
Franc E. Dollar

The answer is C, ounce. The other four options are all units of currency, while ounce is a unit of mass.

A pound is a unit of currency in the United Kingdom, the United States, and some other countries. It is also a unit of mass in the imperial and US customary systems of measurement.

A yen is a unit of currency in Japan.

A franc is a unit of currency in several countries, including France, Switzerland, and Belgium.

A dollar is a unit of currency in the United States, Canada, Australia, and several other countries.