recovery vs reclamation

recovery and reclamation both are nouns.

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

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

recovery: the act of regaining or saving something lost (or in danger of becoming lost)
reclamation: the recovery of useful substances from waste products

Other hyponyms of recovery include repossession, deliverance, delivery, rescue, saving, ransom, recapture, retaking.

recovery (noun)	reclamation (noun)
the act of regaining or saving something lost (or in danger of becoming lost)	rescuing from error and returning to a rightful course
return to an original state	the conversion of wasteland into land suitable for use of habitation or cultivation
gradual healing (through rest) after sickness or injury	the recovery of useful substances from waste products