Find the odd number / letters / word from the given alternative:

The answer is D. Purse : Money.

The other options are all examples of things that are typically associated with the given property. Ice cubes are typically cold, iron is typically hard, and marbles are typically smooth. However, a purse is not typically associated with money. It can be used to carry money, but it can also be used to carry other things, such as keys, a phone, or a wallet.