recovery vs lysis

recovery and lysis both are nouns.

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

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

recovery: gradual healing (through rest) after sickness or injury
lysis: recuperation in which the symptoms of an acute disease gradually subside

Other hyponyms of recovery include rally.

recovery (noun)	lysis (noun)
the act of regaining or saving something lost (or in danger of becoming lost)	(biochemistry) dissolution or destruction of cells such as blood cells or bacteria
return to an original state	recuperation in which the symptoms of an acute disease gradually subside
gradual healing (through rest) after sickness or injury