I think there's an important distinction to be made between rich and wealthy . Rich is defined by income level, and often by lifestyle. A high-spending star athlete can be rich AND broke. There's a reasonable argument to be made that a high-income, high-expense lifestyle in the Bay means that you are NOT "rich". Wealthy is a measure of saved, investable assets. Wealth is not income-dependent, and ideally grows over t…
No there isn't, these are synonyms in any decent dictionary. Chambers uses them to define each other.
"Rich: having a lot of money, property, or possessions; wealthy"
"Wealthy: possessing riches and property; rich or prosperous".
Everything else in your post is just stuff you've made up, which is mildly interesting but has nothing to do with those words as they're used in the real world.