unitization vs unitize

unitization is a noun but unitize is not a noun.

Word	Noun	Adjective	Verb	Adverb
unitization	Yes	No	No	No
unitize	No	No	Yes	No

unitization (noun)	unitize (noun)
conversion of an investment trust into a unit investment trust
the joint development of a petroleum resource that straddles territory controlled by different companies
the act of packaging cargo into unit loads
(psychology) the configuration of smaller units of information into large coordinated units

unitization (verb)	unitize (verb)
	separate or classify into units
	make into a unit
	divide (bulk material) and process as units