divest vs divestiture

divest is not a noun while divestiture is a noun.

Word	Noun	Adjective	Verb	Adverb
divest	No	No	Yes	No
divestiture	Yes	No	No	No

divest (noun)	divestiture (noun)
	the sale by a company of a product line or a subsidiary or a division
	an order to an offending party to rid itself of property; it has the purpose of depriving the defendant of the gains of wrongful behavior

divest (verb)	divestiture (verb)
remove (someone's or one's own) clothes
reduce or dispose of; cease to hold (an investment)
take away possessions from someone
deprive of status or authority