rehabilitation vs rehabilitate

rehabilitation is a noun but rehabilitate is not a noun.

Word	Noun	Adjective	Verb	Adverb
rehabilitation	Yes	No	No	No
rehabilitate	No	No	Yes	No

rehabilitation (noun)	rehabilitate (noun)
the conversion of wasteland into land suitable for use of habitation or cultivation
the restoration of someone to a useful place in society
the treatment of physical disabilities by massage and electrotherapy and exercises
vindication of a person's character and the re-establishment of that person's reputation

rehabilitation (verb)	rehabilitate (verb)
	help to readapt, as to a former state of health or good repute
	reinstall politically
	restore to a state of good condition or operation