derequisition vs requisition

derequisition is not a noun while requisition is a noun.

Word	Noun	Adjective	Verb	Adverb
derequisition	No	No	Yes	No
requisition	Yes	No	Yes	No

derequisition (noun)	requisition (noun)
	seizing property that belongs to someone else and holding it until profits pay the demand for which it was seized
	the act of requiring; an authoritative request or demand, especially by a military or public authority that takes something over (usually temporarily) for military or public use
	an official form on which a request is made

derequisition (verb)	requisition (verb)
release from government control	make a formal request for official services
	demand and take for use or service, especially by military or public authority for public service