haematolysis vs lysis

haematolysis and lysis both are nouns.

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

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

haematolysis: lysis of erythrocytes with the release of hemoglobin
lysis: (biochemistry) dissolution or destruction of cells such as blood cells or bacteria

haematolysis (noun)	lysis (noun)
lysis of erythrocytes with the release of hemoglobin	(biochemistry) dissolution or destruction of cells such as blood cells or bacteria
	recuperation in which the symptoms of an acute disease gradually subside