Flush could be the word.
f for flush
Flush is a five letter word meaning wealthy.
The first letter of wealthy is w.W
Affluent
SCION
Flush
Affluent
A for affluent
A - The first letter of an eight letter word meaning wealthy is "A" for affluent.W - If it is a crossword puzzle, it could also be the word phrase "well-to-do."
M - Money F - Flush P - Plush A - Ample E - Easy P - Plenty
flush, lucky (prosperous), solid (rich)
a for affluent