Big money and Pelf

Big money noun - A large sum of money (especially as pay or profit).

Pelf and big money are semantically related. In some cases you can use "Pelf" instead a noun phrase "Big money".

Pelf noun - Something (as pieces of stamped metal or printed paper) customarily and legally used as a medium of exchange, a measure of value, or a means of payment.

Big money and pelf are semantically related. Sometimes you can use "Big money" instead a noun "Pelf".