What term is associated with matters of money?

The term "pecuniary" specifically relates to matters of money, finance, or economic considerations. It originates from the Latin word "pecunia," which means money. When discussing financial topics, such as earnings, investments, debts, or any monetary transactions, the word "pecuniary" is often used to describe issues or concerns that directly involve money.

In contrast, the other terms do not have a direct connection to financial matters. "Patois" refers to a dialect or form of language peculiar to a specific group, "panoply" signifies a complete suit of armor or a wide-ranging array of things, and "oxymoron" means a figure of speech in which contradictory terms appear in conjunction. Therefore, "pecuniary" is the most appropriate choice when addressing issues related to money.