redevelop vs redevelopment

redevelop is not a noun while redevelopment is a noun.

Word	Noun	Adjective	Verb	Adverb
redevelop	No	No	Yes	No
redevelopment	Yes	No	No	No

redevelop (noun)	redevelopment (noun)
	the act of improving by renewing and restoring

redevelop (verb)	redevelopment (verb)
change the plans for the use of (land)
formulate or develop again, of an improved theory or hypothesis
develop for a second time, in order to improve the contrast, colour, etc., of a negative or print