abiotrophy vs degeneration

abiotrophy and degeneration both are nouns.

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

As nouns, degeneration is a hypernym of abiotrophy; that is, degeneration is a word with a broader meaning than abiotrophy:

abiotrophy: a loss of vitality and a degeneration of cells and tissues not due to any apparent injury
degeneration: passing from a more complex to a simpler biological form

Other hypernyms of abiotrophy include retrogression.

abiotrophy (noun)	degeneration (noun)
a loss of vitality and a degeneration of cells and tissues not due to any apparent injury	passing from a more complex to a simpler biological form
	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