dissolution vs lysis

dissolution and lysis both are nouns.

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

As nouns, lysis is a hyponym of dissolution; that is, lysis is a word with a more specific, narrower meaning than dissolution:

dissolution: separation into component parts
lysis: (biochemistry) dissolution or destruction of cells such as blood cells or bacteria

Other hyponyms of dissolution include fibrinolysis.

dissolution (noun)	lysis (noun)
the termination or disintegration of a relationship (between persons or nations)	(biochemistry) dissolution or destruction of cells such as blood cells or bacteria
the termination of a meeting	recuperation in which the symptoms of an acute disease gradually subside
dissolute indulgence in sensual pleasure
separation into component parts
the process of going into solution