recovery vs betterment

recovery and betterment both are nouns.

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

As nouns, betterment is a hypernym of recovery; that is, betterment is a word with a broader meaning than recovery:

Other hypernyms of recovery include advance, improvement.

recovery (noun)	betterment (noun)
the act of regaining or saving something lost (or in danger of becoming lost)	the act of relieving ills and changing for the better
return to an original state	a change for the better; progress in development
gradual healing (through rest) after sickness or injury	an improvement that adds to the value of a property or facility