pecunious

As adjectives the difference between financial and pecunious

is that financial is related to finances while pecunious is with money, wealthy; financially independent.

As adjectives the difference between wealthy and pecunious

is that wealthy is possessing financial wealth; rich while pecunious is with money, wealthy; financially independent.

As a noun wealthy

is (uncountable|preceded by the)   rich people.

As a noun money

is a legally or socially binding conceptual contract of entitlement to wealth, void of intrinsic value, payable for all debts and taxes, and regulated in supply.

As an adjective pecunious is

with money, wealthy; financially independent.