wealth vs copiousness

wealth and copiousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
wealth	Yes	No	No	No
copiousness	Yes	No	No	No

As nouns, copiousness is a hypernym of wealth; that is, copiousness is a word with a broader meaning than wealth:

Other hypernyms of wealth include abundance, teemingness.

wealth (noun)	copiousness (noun)
the quality of profuse abundance	the property of a more than adequate quantity or supply
property that has economic utility: a monetary value or an exchange value
an abundance of material possessions and resources
the state of being rich and affluent; having a plentiful supply of material goods and money