degeneracy vs degeneration

degeneracy and degeneration both are nouns.

Word	Noun	Adjective	Verb	Adverb
degeneracy	Yes	No	No	No
degeneration	Yes	No	No	No

As nouns, degeneracy and degeneration are synonyms defined as:

degeneracy and degeneration: the state of being degenerate in mental or moral qualities

Other synonyms of degeneracy include decadence, decadency.

degeneracy (noun)	degeneration (noun)
moral perversion; impairment of virtue and moral principles	passing from a more complex to a simpler biological form
the state of being degenerate in mental or moral qualities	the process of declining from a higher to a lower level of effective power or vitality or essential quality
	the state of being degenerate in mental or moral qualities