Fraudulent scheme and Mare's nest

Fraudulent scheme noun - An illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit.

Mare's nest and fraudulent scheme are semantically related. In some cases you can use "Mare's nest" instead a noun phrase "Fraudulent scheme".

Mare's nest noun - A state in which everything is out of order.

Fraudulent scheme and mare's nest are semantically related. You can use "Fraudulent scheme" instead a noun phrase "Mare's nest".