recovery vs convalescence

recovery and convalescence both are nouns.

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

As nouns, recovery and convalescence are synonyms defined as:

recovery and convalescence: gradual healing (through rest) after sickness or injury

Other synonyms of recovery include recuperation.

recovery (noun)	convalescence (noun)
the act of regaining or saving something lost (or in danger of becoming lost)	gradual healing (through rest) after sickness or injury
return to an original state
gradual healing (through rest) after sickness or injury