unitise vs unitisation

unitise is not a noun while unitisation is a noun.

Word	Noun	Adjective	Verb	Adverb
unitise	No	No	Yes	No
unitisation	Yes	No	No	No

unitise (noun)	unitisation (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

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