The difference between Abundance and Copiousness

When used as nouns, abundance means a large quantity, whereas copiousness means the state of being copious.

check bellow for the other definitions of Abundance and Copiousness

Abundance as a noun:

A large quantity; many.
Abundance as a noun:

An overflowing fullness or ample sufficiency; profusion; copious supply; superfluity; plentifulness.
Abundance as a noun:

Wealth; affluence; plentiful amount of resources.
Abundance as a noun:

Frequency, amount, ratio of something within a given environment or sample.
Abundance as a noun (card games):

A bid to take nine or more tricks in solo whist.