Filthy Lucre is a term used to describe MONEY that is obtained through immoral or unethical means. It is often used to refer to MONEY that is gained through bribery, corruption, or other illegal activities. The term is derived from the Latin phrase 'pecunia non olet, ' which translates to 'MONEY does not smell.' The crossword solutions for Filthy Lucre are MONEY (5 letters), PELF (4 letters), and MAMMON (6 letters). MONEY is the most common form of currency and is used to purchase goods and services. PELF is an archaic term for MONEY or wealth, while MAMMON is a biblical term for material wealth or greed.