savings and checking accounts are known for being\nrisky.\nexpensive.\nliquid.\nillegal.

Brief Explanations:

Savings and checking accounts allow easy access to funds. Liquidity refers to the ability to convert an asset into cash quickly without significant loss in value. These accounts offer high liquidity as money can be withdrawn easily via methods like ATMs, online transfers, or writing checks. They are not risky (low - risk compared to investments like stocks), not expensive in terms of basic functionality, and are legal financial products.

Answer:

liquid.