karyolysis vs lysis

karyolysis and lysis both are nouns.

Word	Noun	Adjective	Verb	Adverb
karyolysis	Yes	No	No	No
lysis	Yes	No	No	No

As nouns, lysis is a hypernym of karyolysis; that is, lysis is a word with a broader meaning than karyolysis:

karyolysis: disintegration and dissolution of a cell nucleus when a cell dies
lysis: (biochemistry) dissolution or destruction of cells such as blood cells or bacteria

karyolysis (noun)	lysis (noun)
disintegration and dissolution of a cell nucleus when a cell dies	(biochemistry) dissolution or destruction of cells such as blood cells or bacteria
	recuperation in which the symptoms of an acute disease gradually subside