Out of the four alternatives, choose the one that can be substituted for the given words/phrase:

"Misappropriation of money."

The words provided in the options and their meanings are listed below: 

1. Robbery: Illegal and/ or forceful acquisition of someone's property by someone else.
2. Embezzlement: Theft or misappropriation of funds.
3. Theft: Stealing in general.
4. Fraud: Stealing of money or property by deception.

Out of the options provided, only option B, 'embezzlement', captures the action defined in the question ('misappropriation of money'). Option B is the correct answer.