Frequency: The word is one of the 3000 most common words in English.
1.
Wealth is the possession of a large amount of money, property, or other valuable things. You can also refer to a particular person’s money or property as their ~.
Economic reform has brought relative ~ to peasant farmers...
= affluence
N-UNCOUNT
2.
If you say that someone or something has a ~ of good qualities or things, you are emphasizing that they have a very large number or amount of them. (FORMAL)
...such a ~ of creative expertise...
= abundance
N-SING: a N of n emphasis