money  cash

These are both words for money in the form of coins or paper notes.

money money in the form of coins or paper notes: I counted the money carefully.  paper money (=money that is made of paper, not coins)

cash money in the form of coins or paper notes: How much cash do you have on you?  Payments can be made by check or in cash.

Money OR CASH?

If it is important to contrast money in the form of coins and notes and money in other forms, use cash: How much money/cash do you have on you?  Payments can be made by check or in money.  Customers are offered a discount if they pay money.

PATTERNS AND COLLOCATIONS

To draw out/get out/take out/withdraw money/cash

Ready money/cash (=money that you have available to spend immediately)