Decadence vs Dwindle - What's the difference?

As a noun decadence

is decadence.

to decrease, shrink, diminish, reduce in size.

(wikipedia decadence)

A state of moral or artistic decline or deterioration; decay

* 1956 — , The City and the Stars , p 35

"Stability, however, is not enough. It leads too easily to stagnation, and thence to decadence ."

* *

(dwindl)

To decrease, shrink, diminish, reduce in size.

* 1802 , , translated by T. Paynell,

[E]very thing that was improving gradually degenerates and dwindles away to nothing,

(figuratively) To fall away in quality; degenerate, sink.

The flattery of his friends began to dwindle into simple approbation.'' (''Goldsmith , Vicar, III)

* Jonathan Swift

Religious societies, though begun with excellent intentions, are said to have dwindled into factious clubs.

* 1919 ,

The larger the empire, the more dwindles the mind of the citizen.

* '>citation

To lessen; to bring low.

* Thomson

Our drooping days are dwindled down to naught.

To break; to disperse.

(Clarendon)