re-afforestation vs renewal

re-afforestation and renewal both are nouns.

Word	Noun	Adjective	Verb	Adverb
re-afforestation	Yes	No	No	No
renewal	Yes	No	No	No

As nouns, renewal is a hypernym of re-afforestation; that is, renewal is a word with a broader meaning than re-afforestation:

re-afforestation: the restoration (replanting) of a forest that had been reduced by fire or cutting
renewal: the conversion of wasteland into land suitable for use of habitation or cultivation

Other hypernyms of re-afforestation include reclamation, rehabilitation.

re-afforestation (noun)	renewal (noun)
the restoration (replanting) of a forest that had been reduced by fire or cutting	the conversion of wasteland into land suitable for use of habitation or cultivation
	the act of renewing
	filling again by supplying what has been used up